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 0x03c5c008d93f66e7492341fb56816afc2af53fa5509689825667b5851e1953b5. 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/b5c32195-09f2-48f6-bd7b-4fe45a4b5c70.json and https://artists.proofprofile.net/proofs/artist/b5c32195-09f2-48f6-bd7b-4fe45a4b5c70.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 0xca361335df23d1f1c2fd5d653b646a8aac0e3a38c8b24054105368413c65b515. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/USHM80613008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b2dbd1f9cbe555d83f9898d57c7d4e1cda29867da4ffac6af88795ae2465fa1. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/USHM80613010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad036fb3d748677667b40cbd401990b7083e0c6ec782ff180896001e39e551b9. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:36:41Z), 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/USHM80613012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bfef604d17b025baff3060060fbb49441debbd20f37a7efc5be4ece737fdbd6. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USHM80613013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308e7c1a5328b9ff2a63fca3c0052ef116cbef41363f6dc8bc1f21d23ba54085. 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/USHM80613014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa897d089f03e92a80720a241ac137a507bac04482a5e43c699fb3e86f31a2f4d. 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/USHM80613015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa328fcfbed3ba492e5a0b484483592403e0f93b4973701cecb03e1385093dd33. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), 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/USGR19905777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361fc6fd2ab3a87dd5579f634bee75319f7fc546b410dec3fd3bafef794123a3. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USGR18900015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5208d7277802d612870c265e652af60d9a6858c7b9a8b6fca4242089e8b0a5. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T11:41:09Z), 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/USGR19905778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x298e62b7319531481a92d19fc4430f90c1ec02827e0ce3328fd656840d2489e3. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USGR19905779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c008348623ab2e5d23105f12010bc9b6715f7e650a8b8a0199954b41cef775. 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/USGR19905780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd775e402b3c1c3a3b545a590d9b67df61619a9896547a99b2e38c8c4d19d42f0. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/USGR19905781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37aa462ff87bcd3fddc47152ff064169d19c1a8c473c997635d2e0c256773481. 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/USGR19905782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x295cd91c7f58e0efcab31c05e205acfd5c75409f1710981432fbc1f46fb3fe41. Chain 2 (Bitcoin): anchored in block 958510 (2026-07-18T06:38:22Z), 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/USGR19905783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5176f81a29865c05ae0ca8b5ec09c09e1a42ce587af4467d0d4b5b33700b7fb4. 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/USWH19800817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd646d8d6931618ea079294ed8232c99bd283c7f2e033225c6e976ce58ace644. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:21:25Z), 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/USWH19800818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25a4447387ae85c1325833313279bb4a503c642a1fe44e20c7830fd7f8b8fc8f. 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/USWH19800820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b82fdbaa1bb9b65fb10cb59668059d1a730389bf8f71db60c841fd5fb7ba0c. 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/USWH19800821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8981fc01c3713b009dd2819c649c5a951444c45634e9032829b6c1a458f1a37c. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USWH19800822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27ff334e40c076042d7a3eec5ec39292f8a1c3631fc06b5a8653ef7502352c9b. 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/USWH19800823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5fa89e3b9cbc5ae4df9f385b4ef5152ea305a5b9108baa23ddaa4c85d91c103. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/USWH19800824.
From The Redwoods To The Rockies - Acoustic Reprise
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa98f5d9d6d367a1293e7b4b70ceb7bddfd63191307c37ca084788087ce8c57e3. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/USWH19800825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49c1909a32973f7e61c0580c2b573639cb4d019aeae289c753ae016c601685a. 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/USC4R0301064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37d971d65f45dcf8fe1812f4531e38fe23f65fa6094e571c4d15b3f9667eea5c. 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/USC4R0301065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee28269bb944dc3a979e2f8dc29f540217922ec6525c48db47b33feef7249e58. 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/USC4R0301068.
The Cool Jazz Movement, Vol. 68 (Remastered)
Benny Goodman Orchestra (Live at Stadthalle Freiburg, Germany, 10/15/1959)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040b8923f903bddf8681e025cc7c2a90d394279c7179ba7d0e39b8b968ca5dd4. 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/DEDH25970406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x356f5149eb40b22ff456f8701590f43ac0a67c00785bee614961f8a7fee209a1. 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/DEDH25970407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x629871f0ba2ca819e4704e99df1dfe82e6d969aa57b1e627e3cc7122ebd5ec4e. 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/DEDH25970409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf76c5e147e69eca8aef8bd77b4def8b3b1cad456117be0a67facbdeeae09476. 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/DEDH25970413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786dd6ad7f91c69480447d8d6e29eb657f3a580482a5366fb5ec3b79024e3619. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/DEDH25970401.
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 0x3b057a7192f52d64d4cb961dfa1f6b83f1f456057fcddf0e6ab469d86ded566b. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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/DEDH25970402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0678bb2ff25f2bfd79596475874c6758a93bc56796f7971a1b8986e75ff6836. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DEDH25970408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f0c213e6b26a015a99ad18740cd45468d3eb0568b1ee4be5ac40df885584d7b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DEDH25970410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe88b9e999ab8dd0d474cb67b17635a3137951b51d8e3dee2d45ee2bb8a29f2. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEDH25970415.
Girl Crazy, Act II: But Not for Me (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3011d83d208971de05af25d4c00ba12e24e34b3884a3e54820c533ce0d52b122. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/HKI191529401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x448c00ef9634443febd164f355960ea0860be1706114f78b4cf9a8c79c611fef. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/DEDH25970411.