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 0x290de777c556c1140d728e76b9b80396480d63c5c992b117e21cc62e0ee8c851. 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/cf377e30-fe35-4e7b-9cf7-53676745abdb.json and https://artists.proofprofile.net/proofs/artist/cf377e30-fe35-4e7b-9cf7-53676745abdb.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 0xa76d172e613e4ed254885cd9ced065f63772fa3809a1ad6f6b3270799ee799b5. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-17T00:18:02Z), 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/NZAM01000262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b3fd453a9530a5f7f5b9f5ce91d0cc51dd831a4155d8fdb37c13109863f947. 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/NZAM01000264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7decf5bdb9fefc5b8e74e4c14c0f3b43f4d97976693d1c2b767571cea997382. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:06:50Z), 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/NZAM01000265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc353952b4a514f2d0a3288de3321f88a83106c6d6eb27214aff61a82d3b34e4. 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/NZAM01000270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631e07385f67929bf063820ae0056049e236329657f1a57867b7b1570e4cd22e. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/NZCM01800003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a03282ca5cb602029d57ca2b6afa5c0efce78857a68180b6c3080f7437905a5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/NZAM01200575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37c2c48305c61dc5e64bf6fce42b61674a957427f853f034908a062eaf50675. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/NZCM01800004.
Not Just for Kids 2 + Live at Glastonbury
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0099c46f4b84fefeb8d9e5eeef8a9cb19cc42682adb0d5832eadee9d48ebaabb. 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/NZCM01800001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37c2c48305c61dc5e64bf6fce42b61674a957427f853f034908a062eaf50675. 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/NZCM01800004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06a163b6b14e73db25b5abcbc940268c6f2d2ab4fb63270d6e65e8cc14ad6ce2. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/NZCM01800010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b641dd23d91893ea569792bf0e27f0cfb2d631937860815dd5d79be2f19d3fa. 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/NZCM01800014.
The Wonky Donkey (Slow) [For Pre - School and English as a Second Language]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e3ea9a5edaad9a79c1d7111530ad526b9a345db0be73e6e0d84ac569940ac5. 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/NZAM02102910.
Willbee the Bumblebee (Bumble Rap, Rap Version)
All I Want for Christmas Is My Two Front Teeth