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 0x56011c00c4a2196bd7c57b948a3d7ba912b7ce71e1e71aad494cef2a06422c72. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d59d57cb-c9e4-468d-b21c-ff11f754277a.json and https://artists.proofprofile.net/proofs/artist/d59d57cb-c9e4-468d-b21c-ff11f754277a.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 0x50793f9168154a39448820897475625691abde2e5badb64a7f29de40fa025c1e. 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/USDY41922837.
Ma Collabo Ekughetto: Collaborations Compilations, Vol.1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6abf13d0b0a6a8b2f92479f47ce2642dcf9faca376e98f244a7287daafde677. 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/AUMEV2138129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8e6f1d98303fedbd06bb380f24be36e41bb86d99b83a5999a8408e2cbac208f. 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/AUMEV2138136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8946c9cb0cac68ee4053902f7a9dd8623cb194000965c17050bd0d058388383. 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/AUMEV2138144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d87a84795929ead06d3ff63d2fce5cb8dec2b306eefe9ad8d97ba071d3c340f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/AUMEV2138148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb39621e8296ff2fbdfa71827051d4641f94eab319ffead4900af3db3ecaf11c1. 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/AUMEV2138155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dd88be72ba7d7da978e2d44e376fdbcfe3a3ff48df1b15fe80ce7d60068175a. 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/AUMEV2139419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e088d0b120355d52d56aaed12f9f1c862d0c7a9ca7793d2a64d999503bd7c3f. 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/AUMEV2139432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc67884dd35ba9261bd84aa9bca2bbb60f73b8ca451212fea16dd93d2a2fe087b. 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/USL4R2089771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fd0f7996080d023c363d8ad3f8829e3455edfa011392f6e9e6571a7de43948e. 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/USL4R2089778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79e566e16447930a45af98ea94c9c1c251295d986dd12c08c814d673e4417306. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/TCAFQ2167026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc31761dae04349930209a4039323643a70631eb0f7a20ddfea81732e306d7337. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZK6N2440324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f8aa674b42508a2c1ef566e60092750297c41bd1f7ed9dc2fe22a449525cb8. 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/QZK6N2440327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60afb5471bee6f615029114db3eb45b66f7e01cf7bccf997ea275643f0fda5ce. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/QZK6N2440329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0194473f8db19cfb328b38af9e5d4dc7eef3cf237d0eadba29f0f945a242859. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T15:40:56Z), 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/QZK6N2440332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58471d437f75f44739161bbdec426bef81f1507c5518122bc27a8b3b9c267f6f. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZTB62495599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8632cd445898e069773ebc178303bb1f0cc41396972cd85246eb6f74d82d49. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZWFW2409045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa539ff1189c437bad83294d763c535b008891715a669c9eaa4c873fb525c774. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/QZMEN2510727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbedd1b07c44a627d698102cf59add64c816b5c6edac0f51ac2319c07452d9ee5. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/QZMEN2510728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fe28f7db149ab8242c43b9236869253bd1dd5ae9481367d1242e1e0486db876. 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/QZMEN2510729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb89fe7ab5ed182d4273a710e4b553ac8be97a68a82d7294a3ec78ec520974bbb. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QZMEN2510731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74443e967574dbcde4c832e881f38cb1213a2be083f06b9193ecf7f2eef32e69. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZMEN2510732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31826f874f8509f4298c1250014b35247ef1921c23dc5b9bf9e3bff3750eca26. 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/QZMEN2510734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d83af57da1257777a1acd0822d6b506d333f272bc5d4f3aefb7877a2687d54. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/QZMEN2510735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ce8da7f3bde7d0d6279c6963fbec28857fedb1647159b95ebbc2a3d0e9d9b7c. 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/QZMEN2510737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1352fe73420a1edbdd1bc495373e95e22a4e3bf5106794c8b63c36cd32700c60. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QT3FF2538393.