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 0x6b68047a6ad34c3e440555d2dd5d9d344410feeb25f94911a928107994d2ca16. Chain 2 (Bitcoin): anchored in block 953598 (2026-06-14T06:40:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0cfed065-0398-4f8b-a3ad-6d6c5f8c1b9e.json and https://artists.proofprofile.net/proofs/artist/0cfed065-0398-4f8b-a3ad-6d6c5f8c1b9e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
19 grands succès (Enregistrements originaux)
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 0x40a83fc29a6aa05237b6f825873410f5a93e02bd6b8e89e5601ac4e367769a31. 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/CAU111557090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebd851d94f733a116cd5db0db79d6346d7e8ae4285d21fdde808ad97e2b751b2. 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/CAU111557091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc09eddb7cf88b75174685af0f523e9e6ba94b1fa6fd42c0fa5392e067fdd28. 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/CAU111557095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fdef1a3685e3c26d2657011654a02aa48c316975acf08be46f421e2f32add15. 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/CAU111557096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2baf66489c06785d7c5e26cdcff74acdd9eea506fbfdf5616cef6c730dd38443. 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/CAU111557111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad55912494921e144c71cfb2485ba4e94ca2de10d8732c176faeea3a4cad11f2. 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/CAU111557098.
Ce soir, il fera chaud ! / Mon île au soleil / Mathilda / Coconut Woman / Mon paradis / Angelico - Medley d'été
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfebc0ce2461b1ec07367183f5ab01782398885012b0e5f82d4bde7b3b4b7f438. 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/CAU111557099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcf02ab55c18748e9781613b7f61d71b61ffa6779574672d88e0a7cc20cd5e8a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CAU111557100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd810ea18176816875a5b792056846a648175b4cabf2738726a0bec26c3a985d. 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/CAU111557103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7bab5d833b34dc7e15b41109573e2487ad79b99750a8cfe065343d57771c702. 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/CAU111557104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d85c8143f6340a7992d613f5a39f4716f9629245a2c3855ec9fd9dc5923f68c. 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/CAU111557107.
Amen / Michael, chante avec moi / Quels jours de paix / Dans l'amour et la vérité / Il tient le monde dans ses mains - Medley gospel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51ae540c5250051c931be56d714fd7100f60f424746e32ada5d8736c37217b73. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/CAU111557089.
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 0xcd38fd590418bfdb5d82b26a38d7910cf3b24bb2368f9c1c2066212adc52ec30. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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/CAU111557092.
Make the World Go Away / He'll Have to Go / I Can't Stop Loving You - Medley country
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ef96c1f208dc08100225b80d863167b66e59189c7a6dc8230bfab79665ddd4. 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/CAU111557093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd10aa96e09d581e75ae9ace0e12b9ea6d08117a57b4d316ee0e49e4761e683f6. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), 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/CAU111557094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c683f8c573a96c0a4acf646cef9bfa873963d912cb46e5fb9446cd349579b8a. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/CAU111557102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94902deced79e2b337b28af0e405de3d20f7ce3cb346747001339e19f945d895. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/CAU111557105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb9ef710ddd2538b71700b70c3cd9754977d2e353e91a20802f6992abfd313d8. 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/CAU111557106.