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 0xa82a6ba9bc4ea1ae054c0779c585a59873293c372d80b2f17590e95b6fd8d5ec. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6816f9a-6d95-41fe-9e1c-e6c4c0d43bd2.json and https://artists.proofprofile.net/proofs/artist/b6816f9a-6d95-41fe-9e1c-e6c4c0d43bd2.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661b07e14f1ae8694f0cf73cae611c26696d93aa663cd8d40e33803b72697683. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBLFP2323390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fae85a8a5eea52ad880a92bf3318aa25576c1391e57a11a0b5e04d5d97a7ee2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GB6JE9102503.
Woda Number 6 (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08d41f9ce10950e75def311cee076d124abee1e9ab23216dc8a1801b76144437. 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/NP5GY0912873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a52228f84041b9624a574a48a4524f8237e2a49e988d2fc7d91b895c7fb354d. 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/GX3HH2211810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5854808dc1fe300a347f35ccedb3d23bd68fcd300ad42dd13b4fca9f24e6c977. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GX3HH2211811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ea7a5dccca01148d6f6079ce916adda89383c92aa571829e1b8460023b6f8dd. 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/GB6JE1843901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb89a0fc92c9277818f98e25d8b477fa87447f0a60e89dc5b3642e48ed9abea8a. 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/GBUQQ0305202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5000a4f55c259d4db6b36e14584eab66e1ea3753c021253b680f31a6ae9a454. 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/QZTB92318714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa21d62d82b4d19b1e4d8bcd1afad912a7bd1a8aaafeb02241349568c4b02caf4. 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/INP532000777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6bc438b5d7cbd38e89637cbc5bb6883021a8e827d7d3e34c4af9d35519903eb. 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/INSE82200262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe749994f6f7f70a3b5c9f6285af2a97e0f829bc02f659653e9e066d9d601de27. 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/GBEBS2300004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe418af03c0699c617b0bce746a36f7d314106847e5e7392748ca2c5e3de84713. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBEBS1700068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70b56430798361addb37af69abce93b0fcdefda8feed16ae961dd344ee63ca30. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBEBS2300005.