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 0xcb2e4db034b88ef1ce17af1e335bbddec051fbc24faba77bd4015b62036fbfc5. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/be520b7c-6031-4b31-958e-ad575c5f576f.json and https://artists.proofprofile.net/proofs/artist/be520b7c-6031-4b31-958e-ad575c5f576f.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 0x80cf89d70a91599b15feb56b9b404579c54b646e10e177df070779ac0a07e4ac. 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/INO132001362.
Awabagi Seireng Ahum Loinana Nungaibagi Eshei Ama
Thengmankhre Hee Ado Lakpa, Eikhoidi Sikhiba Kuire Erolnungda
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc2ad560124c045ba2cf47d14356e160f2133fbd6bc4a36cb1702ce5a8d32cb6. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/INO132102183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b98b1738f9814cc70a63a085c42e56592485863585e96fc6852d555a24720c. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/INO132102188.
Yeningtha, Kalen, Nakentha, Ningtham... Aduga Yeningtha
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8294615a84983813759f48dd1f76d142b9568d561b65dca3ce88cc6784f7803c. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:53:32Z), 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/INO132102189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249180f7e0744882a19a3ee0af5d1498c0fa06771a9a64f5f63d851227739ea0. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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/INO132102190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x589d6f5f5b8122bcc6d42276038700e7303abf93b1375ed0ac323b0906d2281e. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/INO132102191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4892b3831bb51ca92959e80fc62e0e554fa1073a1b17bc8fc070f4cd41afa8e0. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/INO132102192.
Two Songs to Listen to While Making Love
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4bd705671d8d717041fc73bcf24229f4abed10c1ca78bf6321b713e68c85a97. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/QZNWS2235971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70826b8c83fb3a7d0e77f3652c0a05013aba492172e6fae77937189711537f20. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZNWS2235972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7389dd59bdff1c3419977cd803aca3c360fa616f695f301276813df0286cfc1c. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/QZFZ22368392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7a59d70adb09de26ad32de8f7a6114952c9a95c1b1a92fee59ed01b173f4b7. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/QZPLR2358239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa555bd42e2892a060ef920fb460705f74c968dfd161ab198638286f0fe0dacdd. 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/QZTAS2315822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0332a476521e9d5ae6337bf467d325f04d1fa80aef04d13ec6c1ecee53c5719f. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZTAS2315823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aac20f7a27e5384d9f6864bfd4705eee86c98828cb6c8f5f7da286ec0109791. 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/QZTAS2315824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dfabdc05a2697e0024c7a749abb8fd1c33fe30e64e0db56c42599de19abf796. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/QZZ7L2445101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d94b94cc1b2be8f4b641730b335b3f7193f7beee829175040bbede52c04fc2e. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), 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/QT3EZ2428143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa03bca71dec5204caa749d117651e34d0a8d85d556e21df3e6aaebea9df18294. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZHN32548890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9762c3df82fbbd066a866360c03c79fbf9aa31e9eecb48c482d148618394118b. 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/QZNWZ2502023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cbc05dec1df7c869996dfb220c43f346e8fe25e4e7e849bb5cf018f12f6d5c8. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZNWZ2502024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3058599dc36231a7068cb07c3c0724ce4498d85e7b68af5065a807cb3e1c503d. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZNWZ2502025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e32877ccd3ce5e35f08ff97cdf5c5a81739830eaff56e0ffabaa8c4ecd64ffd. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZNWZ2502026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e61de4b8e4c38439137b7a7aa3f139eea3f1c4ba2f2a14b7f36aa9f75bae902. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/QZNWZ2502027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35341216d84d648c9d1e8f7c6f7fc8ade1800de98f8dba03840827a3f501ec13. 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/QZNWZ2502028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a135af7e296cafa48fc4ca8d5a05407327f96b8c94ce5e5684b5db891350c80. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZNWZ2502029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38479e9102e2791e0e2f910662b6cfd95d02ccfd2d71475b2f147e6f3f6a9774. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/QZNWZ2502030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5375750fc5b9b3889028420287ef51c1741f3f7c1a8c29efacdea33e0b08ce. Chain 2 (Bitcoin): anchored in block 958816 (2026-07-20T06:36:22Z), 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/QZNWZ2502031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46e0875e19090a768709705e8e4a052d56e3c0c37a79790568a1861c877f9a0d. 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/QZNWZ2502032.
Pendeda Ema, Nanggidamak Amuktang Sibase
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99c40bab0960d3f116999fe84727daa7a3a56d153114f58ea7c9955b8a12d985. Chain 2 (Bitcoin): anchored in block 957778 (2026-07-13T00:08:48Z), 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/QZNWZ2502033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x458eaf49eb4492dd2f2fb29c2b0e21ae42daa42caef70a65cee2eab7f6891a41. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZNWZ2502034.