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 0x7472f541d9dd2ab82d597f664272765108bb99234e6cea40a0cdf335749f4e56. 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/4167d0c1-3708-434a-9115-bc2adac6b9e8.json and https://artists.proofprofile.net/proofs/artist/4167d0c1-3708-434a-9115-bc2adac6b9e8.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 0xafeb756e223194b0a40c662bd60395691c957d1b5927cbde07350832d2dbe5dc. 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/DEQ510500307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e580b9460d75bdd708d7fcd2d80468492c641f47cd0ff93168c7e0b3178fe6. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GBDCA0801170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x789412e26d854a7f96c8f05535762e403399dcd843deccea9a0ad5db0f67373e. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GBDCA0801175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfd591d47050c26c9d1957a728291cab5c72afdca290dc9bbc0fad82132c8a03. 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/GBDCA0801177.
Volker Bertelmann: Snowflakes & Carwrecks
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef987a0f98f7ddfada761182bf1989a430bd3cb45eb8e165a0914f5b421fa97e. 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/QZES72009762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6fede8eb08056568f5b77868d3d7b4fc8688428a31dc865ab904fbac07e5b7d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZES72009765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72db22727ab6bba715c5ab028b34483d1d3afbcb5acabb9dc7672f0e25694ed8. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/GBDCA1001698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3dfd4b32cd6c7d9dd43bb8ef53d87550f7f1b67cdfd9fd6e2590d432a362c48. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/DEX260990749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6a7b1d0e6f9b42a9e2a2d9e56775437d8b52454dc26c742baf7c5de64028fa0. 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/DEX260990750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa45f1810d8f8c0cd31e5ac3fa25ded2e74a234cb34241ee122ef450721ec5751. 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/DEX260990754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc070039a73dfe42699e1bbf308cbaed9aaac5789855487179a862e8bec56cc8a. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/USA4D1167016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c56dbb335f4b082d5115d37ffceef218f5a8048773a8b3a3d16c23d6f5fe5c3. 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/USA4D1167017.
Glück (Original Motion Picture Soundtrack)
The Boy (Original Motion Picture Soundtrack)
The Prepared Piano (10th Anniversary Edition)
Deutschland. Dein Selbstporträt (Original Motion Picture Soundtrack)
Martinis and Tartar (From "Patrick Melrose")
Running Through the Grapevine (From "Patrick Melrose")
Patrick Melrose (Music from the Original TV Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9acee2dbb633b1ef585c24de99f052a57acfa895bd278a5f3590f461107fdae4. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T08:02:29Z), 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/UKHY51800023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ea67a9d1e98db14921c34dbe62472a2769dfe5047a28072ae21973c62215d38. 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/UKHY51800028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c812c10a06a0438279ac64a3b4340f7d5764bc3ea9537cf23297a1ee89c231e. 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/UKHY51800037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45117eac004739cd455d265eebd993cd1cf078e9f62cee1c285b25f12c0e2cdf. 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/USSM11804318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e9ab3babaaa0eae849bc86c88db6ff5394135284a1c25250d1df7b4a2b08973. Chain 2 (Bitcoin): anchored in block 958870 (2026-07-20T13:28:17Z), 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/USSM11804319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f08ad0dd402ad79f240eb4207f6dd45477c6d4a776141f3097bd88084db5222. Chain 2 (Bitcoin): anchored in block 958889 (2026-07-20T16:03:51Z), 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/USSM11804321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70636bb6cdef1a6cd552424def646007be39bafc612b80b0e3278bb60e453cd4. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/USSM11804322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13dca38297564139e0ef7ba5d8c31a56d88eb98d71454e527c1317cbbe95a1be. 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/USSM11804323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x758863e56297077f76419a0c9f2da0553d2e90c2584caf42c0945eb99b1ce0e1. 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/USSM11804324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3eb9648eb8b090bc324b050d59de8dc40cded34331cda8eccacfce9245c1953. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:35:10Z), 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/USSM11804325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ef0142bdbf02d0870038453bc2940e64ec8c4f99de671bbd5aab73f4e5e006. 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/DEX261905816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43f726a3765c09c876e1bcde36610e4b77c66f4ad57ea7d6af78030b8d20e48c. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T01:34:48Z), 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/DED622300084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc381130aff1a2985123aac8189251c5058a2050a61d39aa72492753d84dc4d9c. 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/DED622300085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67fc867c7d67bcf39bbc76ff4250446c828227562cbffde4a4cd2cd0508609a5. 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/DED622300086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ef6712de12fb51c12ac2addd7e13140d72d66054b78ec8f1316746b4e649d8a. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/DED622300087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04be9678c6a288f0ce0b6d989782aedaf428141f466cccc6f0aa012346ab7e08. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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/DED622300088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00298adc7e9365b01e96523462685de4768b8d7fe8c36dba6e1f3a7e9a748b1f. 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/DED622300089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c9de0aa1c804221af77656d33fd35fea43e0298303bbef85a220835b4b94946. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/DED622300093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773045069eb0c64d277d148a2111d240fd2eb1b831257c11815617ea4df67831. 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/DET751700013.
Yesterday Was Dramatic – Today Is OK (20th Anniversary Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ef0142bdbf02d0870038453bc2940e64ec8c4f99de671bbd5aab73f4e5e006. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/DEX261905816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df5a1bd930dff2c2927513e6695a8b3d4acf7f8e69639fbab14e8de50bcbe7d. 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/DEN961101910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40779e15fb3e3481e40e25c8d0c7a14647b0b3248a3cdead3d68e33a0a992715. 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/DEN961101920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dfba108c520363a2459fc3faab47573f985fa68149fac9dc1896be1cddd52d7. 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/DEN961101930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa69b274712d5b0863838d6f7cf2400b170991f99b52513eb97f673724bd170f5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEN961101950.