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 0x78d0c3a2c750e0003653c95469b74f9b19f1fcc28998ebc012b906707724dc8b. Chain 2 (Bitcoin): anchored in block 954058 (2026-06-17T06:34:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4515a4d6-50b9-45b1-ac59-2983fb43af0c.json and https://artists.proofprofile.net/proofs/artist/4515a4d6-50b9-45b1-ac59-2983fb43af0c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pojama (arr. L.-K. Taipale, T. Tuppurainen and S. Jarvinen)
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 0xf836cf1ddbfe51709c5c19aae937d185e4880e1f34c6c1b819ec405bf80031b3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FIFGL0100095.
Fall (arr. L.-K. Taipale, T. Tuppurainen and S. Jarvinen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2816e3cc124a2da04c1bd0b1e8d0cf0338607a1fab1b22dafbc1c144476e401. 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/FIFGL0100098.
Kelmi-Kallen Kohellus (arr. L.-K. Taipale, T. Tuppurainen and S. Jarvinen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x905ade7bd7dcd15f6a33d3c24ce12d7b65f46caa7d3c763108bcdf4b4829f869. 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/FIFGL0100099.
Enkeliunia (arr. L.-K. Taipale, T. Tuppurainen and S. Jarvinen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7590d95050ecf72967e33d2910ce41e8b4716fbe888cceb7c2fc177909fbba82. 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/FIFGL0100100.
Myrskyluodon Maija (arr. L.-K. Taipale, T. Tuppurainen and S. Jarvinen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d6b3e24bce0c44993a0c49fc211cc8e8982f85dd95d85a8f8bb17fcb455b0f. 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/FIFGL0100102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ab13405e21175262a93210ad68e1344d916bad0d4ace4f111820f19d56aea5. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FIFGL0100103.
Finally, the Flesh Salutes the Leather (arr. L.-K. Taipale, T. Tuppurainen and S. Jarvinen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fd7d52a60ea184f32aa1b92e34291fcd01ab381192905add77d364416dfac51. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FIFGL0100104.
Tom Together (arr. L.-K. Taipale, T. Tuppurainen and S. Jarvinen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbabd9bca4db49237f2e6d1c6618ad3f25a93462a1e92f078ba73bd4b2a33962. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/FIFGL0100101.
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 0xa7207b1a1eb167e3e727c9bcf45ac5d6487703b267cb830e5bf0270be6fd9273. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FISRG1300022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf976ba9708e0bc92448aff4609803e5c7bf2994b517976d4bce853be6333e03f. 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/FISRG1300029.
The New World of Jazz - Naxos Jazz Sampler 2000
Deutsche Grammophon Recomposed by Jimi Tenor