alt=group of musicians with their instruments some sitting some standing with pensive and happy expressions in front of a window and tiled cafe building|thumb|Wellington International Ukulele Orchestr
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 0x4a4b0845fe969c2225da49277c8de36be32f95846b76c03c3026d61a922f88e1. Chain 2 (Bitcoin): anchored in block 953768 (2026-06-15T09:30:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c12dc6c8-d3a6-4fc7-a232-11c0534e37be.json and https://artists.proofprofile.net/proofs/artist/c12dc6c8-d3a6-4fc7-a232-11c0534e37be.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 0x474a6cb5f0c523db10a65c0241782631fa0795d645948ba76bd274fe6e0a9fe1. 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/NZLP01900460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8614ae1f1240f3807465d549a5c67a295eb6afea52a1241b17e71a65edf5d2b9. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/NZLP01900461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf229831e93af5bc75ef055db5efc2acaa53b9a132bc35e33ac999349298c9a61. 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/NZLP01900462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c38385386b66ced4c8297bf6770ed455556e0f7ce7ec55fbe9dd593c0080a5. 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/NZLP01900465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9de877a2466377f5d0cdd76f743daefe19f37d03704ef82348f6ab1d9f1c48e5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/NZLP01900467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6719e2750361e73badbe9804c54b7d09a10d5acd83f6858205a4c68fab1ebec. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/NZLP01900468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b987b44024047f81689ef1ccf4f85a82c00a97c7d5e449c0ad274bdeefe2f6e. 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/NZLP01900469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd737e3d0d67a97c69a08b8dd5c06c08a72d2721308f138b45c070c4669b51ac. 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/NZLP01208139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26ca47a716aa894078bb2ee81502faa7f1a7347d667f4618e9625b1ca17eb19f. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/NZLP01208144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552bf212d081e8f2f28d65fe81fececbfa9495b382f9530904d0ac35900b986e. 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/NZLP01208145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225f503d8174d78ad1a4d85961d02324f6c934529fba9a6c7dd2a4032cf1bed2. 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/NZLP01208146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a87ce1e3c75a1df1ac9ebbeac142f66af764f76f57f5e6b8cf0f4f8ecf8e447. 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/NZLP01208149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e1b3a05e984f65546a7a9275ecaf87f4bd3fa98b234fa28935578d131033e3. 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/NZLP01208151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffd5c3174748905d01c2e3433ff978568c5edd608c37fbe23df16f75be11bf55. 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/NZLP01208150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7afa18ae83a35ce1163ee2e24673bb46fd52292d4def4bd86a33077b646b68ae. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/NZLP01208147.
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 0x791d283273c5de5e9fab4a28f7bcdd947dc1edebef76b612b9da89e025f244e2. 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/NZLP00500132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x590717dc9586fa839806d9c5a84c5a015319b9805e671e99e9028f0c2541e542. 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/NZLP00500232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0af3a695eb55b8f4eb6756e60c00e5dd55b2d7da51147f70f35aa8fcb11dbc1. 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/NZLP00500332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6a33091b5720f233bd93e7d1563a21cbac3b775fefbfe99fb12493feb214dd3. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/NZLP00500432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99248c0018fb27d7c7dddcc03fb6322b4f2bb3b6d3c2ff8d75079b0178479439. 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/NZLP00500532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde3cd8c863b2d14f20bd4121ee0dfadf47ebaad88acee3adfc38d62217fcde5e. 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/NZLP00500632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe033686e0bf70ebb2e2e730e3a993a8bb3e94429fdf9c4e5f2cc122a0b7879f6. 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/NZLP00500932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2774681d5225c0bd919dca1dd9bfb7dbe649c53d0966a22c4277b20c72b013e. 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/NZLP00501032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc767368546e69ca85b382f00175010c9921ac52b00de631405c3480c3e271840. 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/NZLP00501132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf1eb87dff5a955d88981688a1adcbc3fa569dfdccc2c363b6019f8ade6b66ec. 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/NZLP00501432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf733d58accc1339f1185f6a6bbc581ebbff6fe110b9dd983c24963eea93189d1. Chain 2 (Bitcoin): anchored in block 960155 (2026-07-29T22:13:32Z), 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/NZLP00501232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4470755c2596b73b5e271e4ed34bd1c54fe610099a5fb4ca1e35f6ed2be8100. 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/NZLP00400124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34f2dee09ec7b69c49312cda86762350e6d3f61d90b148446087f98ab02278d6. 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/NZLP00400224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac8ced1941e6b953d9eeb974c04a58cbc1cd85b8694ad23fc9e183b1a5946902. 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/NZLP00400324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb22a77ed1337b4fb4b63ca3fc2eb7fd6d4f5674aeca41e1857cb4a8c2a3e1236. 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/NZLP00400424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda708532fb80d3c837e474357cc3aceaa4420b81bec19e2adf16c578f54f9a6d. 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/NZLP00400524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8149b6b5a342e473642de7f88c3e6d6b1d9486368e9fad04f1529f3afeb4ab49. 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/NZLP00400624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd26ac60bd308d935b59982574ade3b740300c44a27a1379f2e46d3623cfb1a. 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/NZLP00400724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb57bf051dd1fb606ff2c631268150603028813b62c3254b73c4e044987911ab4. 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/NZLP00400824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ca29a624e64d978635e881814f5bcf340eda47dafdac24b8687f1d4677301bf. 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/NZLP00400924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b484995042d6991943985af0ead499b00317488e15368c58187475e6132a80. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/NZLP00401024.
Singing in My Soul (Live at the St James)
Singing in My Soul - Live at the St James
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef3919c312e9d156be14f454421f71150907cdfd63ad1c6f68c01f9e87998ef. 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/NZLP01208193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48817c7013f8de0808879e82cd296be3d1e61357ca8853a6b3885a922744631c. 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/NZLP00500329.
Music for Nature Documentaries (Remixed)
An Afternoon on the Moon - The Phoenix Foundation Re-Mangle, Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e0b40ae051645f50afdcfbdd2c57402323313a1b3eafaee1023d12243754bf9. 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/NZLP00401725.