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 0xb9e2cb6fc05b8d9224786afc0806a612ce26fead90d886931724d7ad94f074a6. 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/f07c1580-6ed4-426e-92d5-017a164cb9af.json and https://artists.proofprofile.net/proofs/artist/f07c1580-6ed4-426e-92d5-017a164cb9af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
SUPERNØVA (feat. Marcus Bischoff of Heaven Shall Burn)
THIS IS NØT HØLLYWØØD (feat. Timi Hendrix)
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 0x10115f1c834b49dced33c7a85278249cdad25456ea20cfb5f199731c370f9d9a. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/GBDHC2018305.
THIS IS NØT HØLLYWØØD (feat. Johnny 3 Tears)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa0a4cdb4f8ba9bc14556416843388d7163a7120bfd1ba1de029c7f86cb649d. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/GBDHC2018311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x018a2c9340f72425abb8bf81a3d7fabee8870c312395cce4beba456c5a94b550. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/GBDHC2018306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c63a32bd2563519a3b06094ec10c151f3d437c6de653c849e5ebc9a3720d410. 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/GBDHC2018303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59f2d599c5f87438751c94084eb878b8c760f953d3a82fbb7da60a828a76def. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBDHC2018304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa0a4cdb4f8ba9bc14556416843388d7163a7120bfd1ba1de029c7f86cb649d. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/GBDHC2018311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1faff284a3da47c249e77998aaeac88c4d23e1de3cc5995b4d6e100c8171fe7. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GBDHC2018308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc6ae1bb96dc4cdc786feeaf83019c0fb328b66c6fc5fee1ec423c944d0ea110. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/GBDHC2018309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcfd94b7b79fea89665ac7ad9d84da86927483ff42018872607a9af2c0a30a58. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/GBDHC2018310.
HOLLYWOOD SUICIDE (feat. SETYØURSAILS & Within Destruction)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36628c064930dfc3285e07745cbf21eef3dd21c54bb982c80f8d695020d82c37. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QMRSZ2002583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf6eabcceab9866d05ecd310c1f935516f5042d4e96be3a2f67f9ed532b6fac. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CA5KR2320827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18544e6fdfaa5cd85fc8106cb4a5707bb60fedd71c9342992e0e4f29b4e1f5e9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CA5KR2320828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c9b3594e708f85352f652f50eb535df0765ced92421cef05ada98e585e0d6d1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CA5KR2320829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb558fa2f7e131eaae2fbfdfb61910fd4f2c66471b9412f82db7247fed0e8e5e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CA5KR2320830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbec1d4b522dca2dce72e408406147f47fa559f7a1f07b04ca62bd0132220dbda. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CA5KR2320831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a00aed6a4d224b703f661d47d271cbeeb321fe5a05e21613a96fd00609c1a07. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEZO42200102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbce595c3daabb81d7b9a5b2875a7947173a9ed1db9cbbf1f56e4cbeac88128be. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEVX61700049.