1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xb634b66e414e3d76f1378ddaed871605f734b80bfb72d6540142038a5706b58a. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cf91b3d5-b366-4f1e-98db-ef11946d4e49.json and https://artists.proofprofile.net/proofs/artist/cf91b3d5-b366-4f1e-98db-ef11946d4e49.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 → block OTSBitcoinBlock must exist at that height 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 0x804ac399738de8bd5e804c807a086897aa6eeac16203059a85caa97726cd68f8. 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/FR7KN2300093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35d6bad64216a79f4c2009e657db53111b167afbac3a14f26e02101eadf2246d. 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/FR7KN2200085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a9b7c1c0a2e6133a51d03dd19ac1a0a26ff177043f350b3c804c81a219044ed. 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/FR7KN2200091.
Fred Pallem et le Sacre du Tympan racontent les fables de La Fontaine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde72c0f8df96d9ae8351b6e68460f7cbfcf4d43dc88230161931750acf512e66. 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/FR7KN1800057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8286e51a589cf41565321e933f9f1d3510352eb372b007475640943811d35ca0. 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/FR7KN1800029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a0626d07cb1e4a7e56305292117ae37eb2b77186e74d7833b7e80d71030f221. 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/FR7KN1800030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf271df30e1c08714f4245bdcd2aa19b34455c9c226eac3dd372926d8da5819a5. 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/FR7KN1800031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x444d8d23bb57ff38b6d0bd7b7155121580842bd39b20d20ed15887503a86cca1. 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/FR7KN1800033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1915c5dea7ec5f7b68ba2cc0742b1ff4a13a7cd7bf067a8d585de556ee28be2e. 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/FR7KN1800035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49901d21e2eb57a976530faa0768673ff20513c1457a90c8e772ccc0101023a. 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/FR7KN1700013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab85b8168f1611879a6694a705c432e1630ef1217c1d8e672547cb905ff7738. 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/FR7KN1700014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dfb38fbe06e162d5f82d40b5541a02b97479ed906710db7b7ec99d612c7ff3f. 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/FR7KN1700015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20093d91bd70d3af9674a7ba28d1b11c2d19014d164501cdd000eea6fb12be1c. 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/FR7KN1700018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x605abf398a9f7dd8f8684a133494cde1ce73f62454fe70d81f14e74aebd74066. 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/FR7KN1700019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ad837051bf02a4a3ebaee7cf79dd344a00255b423fe14c36116369f24146415. 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/FR7KN1700003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x733cd687d2ca4799d224c65b5e8656b03edce21d38bebcfad6f1dee259f0c33a. 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/FR7KN1700004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcace22aa3ab6d44722f04c0a5562564108820a71ba8f6d22ac6f7614e0cd3b5c. 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/FR9W11507060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ff3e340780816b41327889de97056fc9bee200879425f104c88cb0f4808aa8b. 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/FR9W11507062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4188f9ffdefb9b7c6634ef57d18bc6070f357c6a831354513c73f3b721451d. 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/FR9W11506615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7539233eb974ec964633c4b261149f4e071db38b24051c618eaf8a6fe8a7487d. 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/FR3JS1100020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba149f453986122cab4f2987899388c6a1e501be3b6bd5da25a79d9c522d583. 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/FR3JS1100050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1958d18c299c1c29a71331a6f30265564e823ffbbab707c8a5aabf803e1db411. 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/FR3JS1100060.
La nuit des rois (Comédie de William Shakespeare)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb13a2c6f10db24d7efeb3c728bf4e24ad6ca0f8cbd4cf76fd5043e064de8094. 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/FR7KN2300094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde72c0f8df96d9ae8351b6e68460f7cbfcf4d43dc88230161931750acf512e66. 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/FR7KN1800057.
Disco Funkin', Vol. 3 (Curated by Natasha Kitty Katt) [DJ Mix]
Disco Funkin', Vol. 3 (Curated by Natasha Kitty Katt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138ec4d67b73e020dfffc5b91bfe93ecda080509cc7956523eee651ea7740359. 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/QMXZD1100350.
Ajmilive, Vol. 5 (Chut ! Fait du bruit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe80c7c71c98d638cf1c51f4f1f365b3af2d6f43d84a1b96f73907e0f675a4c21. 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/FR7KN2400097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb22fef755b78270db776fa459875ed8df02975efbb887fad6d84816c404416. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/FR7KN2400099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd62e9895f3cbc1ab2eed6062c625d835efc3eb4f8064ce2727a74b68888e5ab7. 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/FR7KN2400102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe8655cd5baa3bfb15c508021106b5b03ff8259287ba84426cbacf0f10bc8fc. 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/FR7KN2400104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd62e9895f3cbc1ab2eed6062c625d835efc3eb4f8064ce2727a74b68888e5ab7. 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/FR7KN2400102.