{"ok":true,"schema_version":1,"data":{"contract_version":"2026-07-03.2","generated_at":"2026-09-20T12:26:49.169Z","name":"Witness","netuid":20,"schema_version":1,"slug":"sn-20","surfaces":[{"auth_required":false,"authority":"registry-observed","curation_level":"candidate-discovered","id":"sn-20-backprop-dashboard","key":"srf-18fd1b1f8fea84a1","kind":"dashboard","last_verified_at":null,"name":"Witness Backprop Finance dashboard","netuid":20,"notes":"Universal Backprop Finance dTAO subnet dashboard candidate. Third-party enrichment, not protocol authority.","probe":{"enabled":true,"expect":"any","method":"HEAD","timeout_ms":10000},"provider":"backprop-finance","public_safe":true,"quality_signals":{"content_type_matches_kind":true,"public_safe":true,"rate_limited":false,"redirected":true,"source_tier":"third-party-index","transient_failure":false},"rate_limit_notes":"Candidate only; no recurring probe is configured until maintainer review.","source_urls":["https://backprop.finance/dtao/subnets/20-witness"],"stale":null,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://backprop.finance/dtao/subnets/20-witness"},{"auth_required":false,"authority":"community","curation_level":"machine-verified","id":"sn-20-groundlayer-og-card-image","key":"srf-6db21964dec0114d","kind":"data-artifact","last_verified_at":"2026-09-20T04:31:09.312Z","name":"GroundLayer OpenGraph card image","netuid":20,"notes":"Public no-auth PNG brand image served at www.groundlayer.xyz/og-groundlayer.png and referenced by the official GroundLayer homepage OpenGraph and Twitter card metadata for SN20 social previews.","probe":{"enabled":true,"expect":"any","method":"GET","timeout_ms":10000},"provider":"groundlayer","public_safe":true,"review":{"state":"community-submitted","submitted_by":"thomasalvaedison7777-lgtm"},"source_urls":["https://www.groundlayer.xyz/og-groundlayer.png","https://www.groundlayer.xyz/"],"stale":false,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://www.groundlayer.xyz/og-groundlayer.png"},{"auth_required":false,"authority":"official","curation_level":"candidate-discovered","id":"sn-20-groundlayer-roadmap","key":"srf-2fa45f7f30d5327a","kind":"website","last_verified_at":"2026-06-08T11:15:00.000Z","name":"GroundLayer roadmap","netuid":20,"notes":"Official GroundLayer roadmap page.","probe":{"enabled":true,"expect":"html","method":"HEAD","timeout_ms":10000},"provider":"groundlayer","public_safe":true,"source_urls":["https://www.groundlayer.xyz/","https://www.groundlayer.xyz/roadmap"],"stale":true,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://www.groundlayer.xyz/roadmap"},{"auth_required":false,"authority":"official","curation_level":"candidate-discovered","id":"sn-20-groundlayer-subnet-page","key":"srf-5ad2d2debf27b9dd","kind":"website","last_verified_at":"2026-06-08T11:15:00.000Z","name":"GroundLayer subnet page","netuid":20,"notes":"Official GroundLayer subnet information page.","probe":{"enabled":true,"expect":"html","method":"HEAD","timeout_ms":10000},"provider":"groundlayer","public_safe":true,"source_urls":["https://www.groundlayer.xyz/","https://www.groundlayer.xyz/subnet"],"stale":true,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://www.groundlayer.xyz/subnet"},{"auth_required":false,"authority":"official","curation_level":"candidate-discovered","id":"sn-20-groundlayer-website","key":"srf-abbea29fba4f637f","kind":"website","last_verified_at":"2026-06-08T11:15:00.000Z","name":"GroundLayer website","netuid":20,"notes":"Official GroundLayer website.","probe":{"enabled":true,"expect":"any","method":"HEAD","timeout_ms":10000},"provider":"groundlayer","public_safe":true,"source_urls":["https://www.groundlayer.xyz/","https://api.taomarketcap.com/public/v1/subnets/20"],"stale":true,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://www.groundlayer.xyz/"},{"auth_required":false,"authority":"registry-observed","curation_level":"candidate-discovered","id":"sn-20-native-chain-github","key":"srf-3f12b5e98327c869","kind":"source-repo","last_verified_at":null,"name":"Witness GitHub source repository","netuid":20,"notes":"Discovered from native Subtensor SubnetIdentitiesV3 metadata. Candidate still requires safe probe verification and maintainer review before promotion.","probe":{"enabled":true,"expect":"any","method":"HEAD","timeout_ms":10000},"provider":"groundlayer","public_safe":true,"quality_signals":{"archived":false,"has_default_branch":true,"has_recent_push_metadata":true,"public_safe":true,"source_tier":"native-chain"},"rate_limit_notes":"Candidate only; no recurring probe is configured until maintainer review.","source_urls":["https://api.taomarketcap.com/public/v1/subnets/20","https://docs.learnbittensor.org/python-api/html/_modules/bittensor/core/chain_data/subnet_identity.html"],"stale":null,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://github.com/witnessvision/witness_subnet"},{"auth_required":false,"authority":"registry-observed","curation_level":"candidate-discovered","id":"sn-20-native-chain-website","key":"srf-1187642616fdf87c","kind":"website","last_verified_at":null,"name":"Witness website","netuid":20,"notes":"Discovered from native Subtensor SubnetIdentitiesV3 metadata. Candidate still requires safe probe verification and maintainer review before promotion.","probe":{"enabled":true,"expect":"any","method":"HEAD","timeout_ms":10000},"provider":"groundlayer","public_safe":true,"quality_signals":{"content_type_matches_kind":true,"public_safe":true,"rate_limited":false,"redirected":false,"source_tier":"native-chain","transient_failure":false},"rate_limit_notes":"Candidate only; no recurring probe is configured until maintainer review.","source_urls":["https://api.taomarketcap.com/public/v1/subnets/20","https://docs.learnbittensor.org/python-api/html/_modules/bittensor/core/chain_data/subnet_identity.html"],"stale":null,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://witnessvision.io/"},{"auth_required":false,"authority":"registry-observed","curation_level":"candidate-discovered","id":"sn-20-subnetradar-dashboard","key":"srf-0e13ec8771130db8","kind":"dashboard","last_verified_at":null,"name":"Witness SubnetRadar dashboard","netuid":20,"notes":"Universal SubnetRadar subnet dashboard candidate. Third-party risk/market analytics enrichment, not Metagraphed endpoint health authority.","probe":{"enabled":true,"expect":"any","method":"HEAD","timeout_ms":10000},"provider":"subnetradar","public_safe":true,"quality_signals":{"content_type_matches_kind":true,"public_safe":true,"rate_limited":false,"redirected":false,"source_tier":"third-party-index","transient_failure":false},"rate_limit_notes":"Candidate only; no recurring probe is configured until maintainer review.","source_urls":["https://subnetradar.com/subnet/20"],"stale":null,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://subnetradar.com/subnet/20"},{"auth_required":false,"authority":"registry-observed","curation_level":"candidate-discovered","id":"sn-20-taomarketcap-dashboard","key":"srf-11e03e09d81ed01a","kind":"dashboard","last_verified_at":null,"name":"Witness TaoMarketCap dashboard","netuid":20,"notes":"Universal TaoMarketCap subnet dashboard candidate. Third-party enrichment, not protocol authority.","probe":{"enabled":true,"expect":"any","method":"HEAD","timeout_ms":10000},"provider":"taomarketcap","public_safe":true,"quality_signals":{"content_type_matches_kind":true,"public_safe":true,"rate_limited":false,"redirected":false,"source_tier":"third-party-index","transient_failure":false},"rate_limit_notes":"Candidate only; no recurring probe is configured until maintainer review.","source_urls":["https://api.taomarketcap.com/public/v1/subnets/20"],"stale":null,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://taomarketcap.com/subnets/20"},{"auth_required":false,"authority":"community","curation_level":"candidate-discovered","id":"sn-20-taomarketcap-subnet-api","key":"srf-ebe7ad3af0b78382","kind":"subnet-api","last_verified_at":null,"name":"GroundLayer TaoMarketCap subnet snapshot API","netuid":20,"notes":"Public no-auth GET /public/v1/subnets/20/ on api.taomarketcap.com returning machine-readable JSON for SN20 on-chain subnet state, SubnetIdentitiesV3 metadata, economics, and dTAO market fields. GroundLayer's official website paths under www.groundlayer.xyz do not expose a verified first-party public API; this indexed feed is documented in the TaoMarketCap developer API. TaoMarketCap now enforces a trailing slash (the non-slash path 301s); tracked URL updated to the canonical non-redirecting form. Rejects HEAD (405); probe uses GET.","probe":{"enabled":true,"expect":"json","method":"GET","timeout_ms":10000},"provider":"taomarketcap","public_safe":true,"review":{"state":"community-submitted","submitted_by":"kiannidev"},"source_urls":["https://api.taomarketcap.com/developer/documentation/","https://www.groundlayer.xyz/"],"stale":null,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://api.taomarketcap.com/public/v1/subnets/20/"},{"auth_required":false,"authority":"registry-observed","curation_level":"candidate-discovered","id":"sn-20-taopedia-article","key":"srf-9adb35b8d3984c6a","kind":"docs","last_verified_at":null,"name":"Witness Taopedia article","netuid":20,"notes":"Discovered from the public Taopedia article repository. Not verified as an operational interface.","probe":{"enabled":true,"expect":"any","method":"HEAD","timeout_ms":10000},"provider":"taopedia-articles","public_safe":true,"quality_signals":{"content_type_matches_kind":true,"public_safe":true,"rate_limited":false,"redirected":false,"source_tier":"community-docs","transient_failure":false},"rate_limit_notes":"Candidate only; no recurring probe is configured until maintainer review.","source_urls":["https://github.com/e35ventura/taopedia-articles/blob/main/content/pages/subnet_20/index.mdx"],"stale":null,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://github.com/e35ventura/taopedia-articles/blob/main/content/pages/subnet_20/index.mdx"},{"auth_required":false,"authority":"registry-observed","curation_level":"candidate-discovered","id":"sn-20-tensorplex-docs","key":"srf-1b39277127079abe","kind":"docs","last_verified_at":null,"name":"Witness Tensorplex subnet docs","netuid":20,"notes":"Discovered from Tensorplex subnet-docs. Useful as documentation enrichment, not verified operational authority.","probe":{"enabled":true,"expect":"any","method":"HEAD","timeout_ms":10000},"provider":"tensorplex-subnet-docs","public_safe":true,"quality_signals":{"content_type_matches_kind":true,"public_safe":true,"rate_limited":false,"redirected":false,"source_tier":"community-docs","transient_failure":false},"rate_limit_notes":"Candidate only; no recurring probe is configured until maintainer review.","source_urls":["https://github.com/tensorplex-labs/subnet-docs/blob/main/data/20/subnet.json"],"stale":null,"subnet_name":"Witness","subnet_slug":"sn-20","url":"https://github.com/tensorplex-labs/subnet-docs/tree/main/data/20"}]},"meta":{"artifact_path":"/metagraph/surfaces/20.json","cache":"standard","contract_version":"2026-07-03.2","generated_at":"2026-09-20T12:26:49.169Z","published_at":"2026-09-20T12:26:49.169Z","source":"r2","pagination":{"collection":"surfaces","total":12,"returned":12,"limit":12,"cursor":0,"next_cursor":null,"sort":null,"order":"asc"}}}