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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70898955fcd322029d9d7e9c19596264d8a59cf3392e7c16ed1cc80e2e84980d. 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/7402d139-7a84-4c13-8c1b-0f67be6aa5cf.json and https://artists.proofprofile.net/proofs/artist/7402d139-7a84-4c13-8c1b-0f67be6aa5cf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Collision / Contact - Music for Exhibitions
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x372b8ea8404fa3d3fb91f828202ab99fd43f1d05395d1f9eaaeca22b1f94fb2d. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:25:51Z), 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/QZHNB2082892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e79ac7f293a376bf4dcab397de4847453804f85c7800ccc93f04e9e630bba86. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/QZNWU2256786.
Schock (Original Motion Picture Soundtrack)
The One Who Runs Away Is the Ghost Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89c80f0bb4fdcbb7ffde8c32632157593b25571bb2f827def69be07621ada811. 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/QZDA72574574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44599efdf5623d0a8a43dca595e3ea78615270e159fa8c393fc6999525d0a33b. 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/DEGN52500101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab47a1aae71d42ab0c3e147764ed5e35fb012ebe5ec5965dc3444f2ec0e38c9a. 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/DEGN52500102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0716c3d70d1fdb384884c3a0cc2c008f919ff140a3cc80ce88db61d8d2c93b5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEGN52500103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fb5be0adae508227a001adef2bdbea2fa70bc77cbd4edf55c996ee00ee52462. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEGN52500104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ceed45785447b12611c9d55edb607188aff4b52c60b7da4ff1b21b27f720319. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEGN52500105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c8f7d7ac96c80a44fd0b8fc6a5f1d35fbc62da6933c6525337d8c2fdaff83a0. 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/DEGN52500106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf93488ebdd4635c4b37360d5fcead5f4a046ad086d4f2138fb99760f34207e1. 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/DEGN52500108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae78e1690dd5adf2250de529d9ee148516a46b70bb29109589737c9b9cde4c44. 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/DEGN52500110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x427f0f612071b75021d494e673b4d6dd5bd9e7fb2dd7704c7b610dabfb0ff7b1. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEGN52500113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66227b33f22df782b4c6a99a73512febe838b5ea1f0093253662afc23a5a62cf. 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/DEGN52500114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81859ff8fb5984b9f4dd2b7a7265a0c94bda15422f5c7b1c4bcc11985219abf4. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/DEGN52500107.
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 0xb0ab0d7a6b96dcec20271bbea343609cbed9227e3444e8fb6c9592d76e180d13. Chain 2 (Bitcoin): anchored in block 960161 (2026-07-29T22:51:26Z), 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/DEGN52500109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e533aa4f6b7577972aaea1df055f459d780f40862d7eb56de7c31191d6cc3e4. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/DEGN52500111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e7b812c86c74d8819f528e40a442b3633f3c7efd5577fe6edfacae3b4524791. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/DEGN52500112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf132ea3cc39e301a7c5e4ceec57c3b3833e02b27195812d12cf2847162377cdf. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZTB32515595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3ef4cd9f875c04df08800080bde6ec3beaf82739ba695aa91f28b7292697e4. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZTB32513038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb16c23ae6d58cc85cab6329d94f2f4dd5fdff3870fcbe39b3ec8e3b611c5aa74. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZWFX2521294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa75e07593aec8501dea62cf4e277cbd1c930f032580143ca976eaaa93b808de. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QZWFX2521297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e6f022e314c2c6a57beaf10220d34203992f5b16f2040401d4d5fc8c79b1b1e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/FRX762101680.