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 0xee9ec55ebec0a5091c20c49b987a07c538e3921dd9264fcb37a3f0aaf1d0a286. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ead3014a-90b1-4691-a44d-59870100758a.json and https://artists.proofprofile.net/proofs/artist/ead3014a-90b1-4691-a44d-59870100758a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Shapes: Collide (Compiled by Robert Luis)
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 0xe82df5b89424f252ae18ca2bc9cbeebe5db705941ce556277351d4f2164b11c9. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/UKLQ62400102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x884279c2ef000a61b4130afaf407f41f0bf243d61c0dcd1a49432ed387e1fcb7. 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/GBXED1102010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db8eaafcbec130ebea9d1dd08a4f2b4b3217793c74a9198825c1ae261eaca1c. 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/GBXED1101090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ac3f4a09880028fa8e01618bfddb07e9033db82497924d115f861741830f25. 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/GBKPL2154698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6a37cd62148d0d40e3edb62f64862189497c0e4d589b1443d006bcbf207079. 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/GBLQT2200019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50ced3df8f7d826e2c7bccfe921047eb4a2b21a62e2d24b2635aef7be275ede8. 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/GBLQT2200025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c47437ed12cafafb7c7590387a0825774ef9f946d1de1bc4b602ec8cdab8cad. 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/GBLQT2200023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5ba2bc96ecc8c1bd5b356ff7860cb9bf04242758f54b375e27d5b5f3c2b5c4b. 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/GBEUE2300085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d2810f5f1dab2065354403d4cca38911783571818f2c496045ff8c9e6d43a99. 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/GBEUE2300083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3efed6c7a12220b847b726a2f3dd3705472e747fd8059831fdb9f2880cc51f38. 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/GBEUE2300086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4238720b9dcdacd48a3d4886f1e68210d55116e0973ac598b3754ca8402ce122. 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/GBEUE2300087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafa09b58d981880ca531327f3aed317793d2b1960d7707560395d58709b58cf9. 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/GBEUE2300089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43ad01b57e844cbb07f661ca6115ab6eac9d9dac80ec08fe6f4946fd1d2468a0. 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/GBEUE2300042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62d330d9cc7e2e70c77d36d2f5457d19a4cdd8dc533d15708579ae349e4dbaa8. 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/GBEUE2300090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a52464d1710472a64169cd74ff3db7fe30b051fbdd7cfb1895b7c78261df1cd. 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/GBEUE2300091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a1fffe0c44a59c48c9fb079c60c2e39bddb7e2f883d68d39591afaf4bc8ed82. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FRIDO1910738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ceb70af3f1df2e1c5beba0e2828762ec24783702b42e349e3504a550b9a2e8e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRIDO1910167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f328e8263fa929e69fa93184f8c7a9c8c9c15c8b7826f2c34182e9afbf8372c. 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/FRIDO1910737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e646db9a63d16ecbfd32e1e54b9c9b69e715fcc9f1f0bfd4885390108e3a56d. 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/FRIDO1910758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd14b06d20fea28468c5325b6236dbac2b4f457887cb1db1f3f367d56e1e3114a. 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/FRIDO1910757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8acfaf77ba4eddadadd798f5a766e7c4cdf1fc33eb07de43185a0def74024c31. 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/FR10S2089933.
If You Wanna - Adesse Versions Dub Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec8d4f237ba83a0133e44d927e96a6f78a39aea1817d1fae8d806a1e550b36c. 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/FR10S2089939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4e0d426a02df75dc298c377b020455faf8c2797262647eb66446650213f02c7. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FR10S2089938.
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 0xf709529e557142dc86dd6bfb816d1ad5418111c26de5b6c1a3d1ef4c171758fa. 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/USA2P2135944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c65b29a0fbb88eb7e7f00cf142d8effe60caedb96be4025814f81e424a6485b. 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/USA2P2135947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf42e4d787e119283991fc220c64dd26fac3bca210dd6ed1d52b62b1c0d074ac4. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/GBLQT1900065.