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 0xbf53b2f2468bd31ddf88881ab71a3d5be62edfd1348e550af4a3e8c5cdaf5226. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8df1e52a-4e7a-4ca6-be0f-0fdeb0c919d7.json and https://artists.proofprofile.net/proofs/artist/8df1e52a-4e7a-4ca6-be0f-0fdeb0c919d7.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 0xcde5ab45d971faec72b48849387fcc60da1b98a26bb64d4d5bd80f5aa295012e. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/QM6P42047725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c207ba81726f063f4f2d8712548a40e4c7200d99245c1ee1fe099c3f5380d7. 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/QM6P42048272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001b1b618d93a3894493b89c665b35ec46df0576058b81f499b0393b7d6ef119. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:59:24Z), 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/QM6P42047749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8906d99f447e97a8cf14385b9e5dca78c2e558ec1bf500f0da6ad0d0856f6cf4. 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/QM7282071711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d7207e027798760c2df0f88c6727ccd28c8d0d1386348ae3e025cfd9dae54e. 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/SE5752198954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb992213433ead191ad19e2754b6a2ae3bdb178675266c21f45ba9cb316a9897. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:59:13Z), 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/SE5752199100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc28700cd9125da5337776c8fcc5b8716c538db40c32091ddf3161ebb7f71ccac. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T23:29:55Z), 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/QM6MZ2190738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2636894c379e50b7bbd6763cb63315e37e1f26ced8a7056356118fd1bfe264f. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:02:19Z), 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/SE6QE2191401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ec9f4f468246d8a9790a9d0c8eceb4baca458e7ce7657379cca28500431e50. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/SE6TI2188840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd447402c3537c90264e977e591a614dec26e261306edb3d5729d35d543620363. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/SE6HN2253184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7fddce40f46fe714dba9710aca84146cbe94efefc29c97588de9242853385d0. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/SE6I32205889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02fa8c4f640062946533ebae878c1833131efd1b82ef67a6f69a25ba5d23b4e2. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/SE6QE2223529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1aedd5a047dd14df295e284be5eff44ffd9e6450acaa95d4ba31a99a23783dd. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:00:59Z), 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/SE6SA2263497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd1e2bc639f126e82c8492c2f554322e17cc8826abe60005654266773c73cac1. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/SE6SA2263498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x517c3cf031567fccf53818e5cdcff756a73b348f7a472452c287b0284d30adc4. 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/SE6XX2251437.
COMO MI CORAZON PUEDE SEGUIR LATIENDO CON TANTO DOLOR
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10661637886ea16231d6a30f3d0f961b77ae5c12e28a27e0331c75711a368ff6. 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/SE6XX2251438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ab6328d789cb4346f1ba794381bbf231a98ec0eb4fb94107124f3fe783e0f36. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZ5AB2339652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd57fb1993d828c9d9c7b127501ca547eeb4216b750763ea98524246996504a. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QZ5AB2387124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8ce9c5eca9aaa4f42d138e40e221fd1b790ad7c080921fa78f292e5174bb54. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZNJV2356356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcb1104121ebaa11d6dc28b0bf669a0714f0dfcc644b1159d278d7ee6ebc92e5. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:24:40Z), 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/QZNJX2381570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c738dba70160240c7cebec3e5030b6e0e27fe5da2ace600d041b73c6f4c85e. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/SE6XX2551703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552ee37f2b253f14eb26864ff0a211684b9168c548bfdf102d6a2c7a3d82c9bc. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/SE6XX2575960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9afea1e5a221d7e5f507e7db44f113fda1e93d5fb6f13f9721ef9fbf5e14e0d8. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T11:03:27Z), 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/SE6XX2576030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dfe4fda08a24dd2459236a3cf208905736972a6f59463ca165702ba38b30d94. 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/QM4TX2231724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29728784bd8c949b5485392f90955806b8c35366d7e7071ea3e3555d30fa2873. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/UKXN22308430.
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 0x4e74d21fb266187382e42a9753e503304d6cb2a345b273cddab7dbdc2a39afe6. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/QZNWX2123719.