Dangermuffin is a folk band from the South Carolina low country. The band plays gigs in North & South Carolina, West Virginia, and Virginia. Style Dangermuffin's music is known for the songwriting a
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2ce7d43ba7d6a64d2ab26d601f3f22b7a2002a9c5448b5ceac75ea2a26cc396. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9be4d12b-702d-42c8-a691-9273cc3bd015.json and https://artists.proofprofile.net/proofs/artist/9be4d12b-702d-42c8-a691-9273cc3bd015.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed274c694a39a8bc3e6406fcac167e0a3a35f9edc1bdebf4a1141a33cf3cc7cd. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q0765815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7adfae145c0c008db6368e55da41521cd4cc670b8738c62a489ebf865b6ac907. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q0765818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6b8183a9b1691e7fbc17ae86f913f96fcc0266e4a19b804d74b67cc08a9562. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1170010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c7edb33fcb892bb9bebd9ac99df92675a5bb5933efeadfee05be192368086b. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1170011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x241ff863738dacf6d6bc9916467a71ec657e48418715ae871c5d020557ec17a3. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21209004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63ec0be37215fe05a91ed503a47f96eee2dac153ab6ddf6f1426d211faa2b1aa. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21209005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73608212dae8c264d873b128dfda958eee5c78cd85d045db95aaa7423cdfc221. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21209006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb48158a58fec68a82774cdcb9c17bf5d776832466d9fa1b812e52cafeecb00. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21209010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x243a23c458aeb9ed2d9eb6dd3659431bd1e4b9df47900d100b2531275832cede. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21209011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a0e37c5924eb510d5cd1e0d2adcfae808a088ac9b5a58e2e06c5f9d5bb981d4. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T19:50:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81437864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f009ec07564aaebaa08796a278fa2ad2fb7281c07031dbbcb5fb10d9adabd21. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81437865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62d910509327ea94d5ca40060fdc144e387e8a0bb21665ed50710911811432d6. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81437866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d66b71988bffc18222a6b3a00bf00e1e20b1175ebbad1204cac445bc9879d0c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81437868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d141fc11b4a83592c83a39e04231282696f3ba7af1831cb6918c348b33d541b. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81437872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1640992d75ca7a00ef0714f58fe764261586f075b4bf40c2507880aa1ebfff84. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81437875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadb7d7139726454871e3c06cc53a162cb05ffc2e31eeedd1761576baf074525a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81437878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611f72a18d2d0f1b0955be181c24386afcb66de4e10dac64f18a2be688e310a6. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA17K1601061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95059585edae02b71fc0d823222eaddb13a6a12957921a137a890b184d24639a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA17K1601067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65be4d183f502130a11065f39384638617e59d3dbdd4b730144dc5cde7f82d24. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T00:07:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9AA1872608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec240c5bd3112b3cc8568ff0c5fb9a47815505e7d1723fff27e4ae3fe9302ba. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2483363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8397f48caeeda8e2766b95ada99a227ca47ec62f7aa3559cf666f2efccf34401. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2467107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x629c0cb3f0665f1eba58b857926b5f95085686d3dda195a570bb8cb5325d4cee. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2483374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a8ae7f24b14f2f1a84cb2222e4370cebb9274c7608ab31000b81963b7de1f3c. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2482286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e0e41a362a6f7229092808d336c36faafd1edeea7ef422aa93bdf8b85fae813. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2483437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8b2e8bfd61ad32d53e9b480db399ab3dd03b9cc16110143ace0c5cf470c632. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2483441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18fe36da6e11a3f26dc14573516409b6e6176ee442fc98aa49b907c6c695dcd0. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T05:43:55Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2483447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00072d70895595b994170ec9801feda3f35978b0a8b2da38a6c4f2a5ab7fa15e. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2483450.