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 0x1427867fb9e2cd6d77cfb636f7a94b939520905ac5bdb8089f0b4c8ebef67fdf. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/84b4b6f8-ec5b-4092-abfd-8216cd892491.json and https://artists.proofprofile.net/proofs/artist/84b4b6f8-ec5b-4092-abfd-8216cd892491.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 0x9a72b9b68f56054df2e908844d4b3ec2f870b4bdbeeb13b4504ec205cacccdba. 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/DEZ651603461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c8829d151fde711fd3fb94c9aae0cedb8f57693ecdf420fe2f9db4b6236b981. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/DEZ651603462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x357c013db231326b7217a0ac8c0319102d63928295dc08eea0dd5d52d99f88ea. 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/DEZ651603464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc04e5e52b17d2729a46effedc751bf1f44b61a1162856cc4e842d89a2362d17c. 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/DEZ651603465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe051f3b98d6b88138c4613d91860399b8af77b9017bed1c14bf5ae1b91867c3. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/DEZ651712825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1ab987e9e2d63997d37c154f877569d5f72874a3722f86a16397074c3dd1db. 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/DEZ651712826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bcb3f3f47ef7193520a57e5593948575371f4a859b14b4d5845e0c3bb18a1ce. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T11:10:09Z), 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/DEZ651712829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9293935c8c81d1765a17ec1e18e4f4c840b303d340639ec1cc869c9a0873c646. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T22:07:57Z), 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/QM4TX1947100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d791c6bf59c628a617f73ff726d6499c76f4bcb783a93355afb02e7a5eb14a. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/QM6MZ1978129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57c6dda55e1521f0a295ea7e4ba22b0e81744b0132ef4070a8a37874908a4830. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T11:04:31Z), 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/NL1AP1974199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacedb73d7d8c7556083da02044e8ba8da741acf69f6a598e414167ede3f33203. Chain 2 (Bitcoin): anchored in block 958689 (2026-07-19T07:11:11Z), 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/QMFME1916816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8e2207ece3567fe5166ed07a49e8a6d2d2d6dda7cebd98c6417bc3cd320ec9. 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/USQX92102052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x607b51dc0cb0d17844ddd8b9addd7ff98d7cd833f848189eecdae9e2dcad1792. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USQX92102054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8e2207ece3567fe5166ed07a49e8a6d2d2d6dda7cebd98c6417bc3cd320ec9. 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/USQX92102052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc70f2b05c97682d62c623118b11e5c69599c8819ea5004e999fb13810728aae3. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/USQX92102055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6928d3407d8d1ef53df2635ffd3c42f116957f5266ba7ee7ff62eab767f9d258. 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/USQX92102060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8ce019c245e6a124ad04bc555624442c0eb1cba7fb2b81c0aed920973ec45c. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:30:26Z), 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/USQX92203833.
Ben Stokes: Phoenix from the Ashes (Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5797600a881079dd6e404c43b8d3b2dc6f5e59b7ed7653289b6bfe92c829d650. 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/SE22E2000801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb267e8de7c39fcada0410b5bb2f8e5c17037b776aea49f6584235e9c76092b5f. 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/DEZ651722394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xada6e652d471ad39c98f7430fe16ef31f302a019cea5c4b699aa050c9a250730. 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/ES8741611104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9e554dcc3d940018cc194b024e3af2f42f7a35519c0eaa1c9aefc490655aae3. 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/USSM12102577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x607b51dc0cb0d17844ddd8b9addd7ff98d7cd833f848189eecdae9e2dcad1792. 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/USQX92102054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x868e4c383475a47a273d02f2fa4537007eb9ee252219294d782282e9e3afdfb9. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBWMY1650150.
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 0xd852cb5012a94d8c8a5c9e08464447306411dd9fd369dd56a9fa604ca87b53f0. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/DEZ651707094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0d02f720562916c007dfd3b247b0265b70a7adc4cb367395b1b8cd6212cd7b. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/DEG932003484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8349f548992c9853a0d40bb27261213b33aa6836d9dfe6b9dfd5949c843c7de. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/USQX92203831.