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 0xb57703d5c47c94802f34178d7b62a1936f84e7c290e0bc62c107b0812bba39ed. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/491f93a3-25d9-4f5d-965b-7fba4b7c46fa.json and https://artists.proofprofile.net/proofs/artist/491f93a3-25d9-4f5d-965b-7fba4b7c46fa.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 0x8a4bb98446d0f0bbe00b3d47ee0c74c1d358715b19f7e5b16cdfcd0d1d07bf2a. 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/QZHN82291244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x000ae22472074ab93741488277d32a96e02675f24feda3001dac7f46842f34bd. 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/QZHN82291245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a52628fab728b42406b9ed7a0c5704b13eee3008e6f07819df265510cb78151. 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/QZHN82291246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d2cd9326cc2ed1458fb617705b3b3beb5b103228c8cecbb8b8f5d0b40236b5d. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/QZHN82291243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0354d0f762bfff69042995953e1a17b337904857e3a8a502d47160ffd1be38b5. 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/QZHN82291247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26df5e2f96b0e1ce1311298d383d06f8609bc1c62ade23547a6b24c65f73c95d. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/QZHN82291250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9636c9a86b7b02dd155d5f6227f2000bca8fb1c95e7f5887bd33ce99aecb8819. 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/UK6821907701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x043e9c0f0db10255fea7beca1458b6b8ed4e2783c1569db2774e710466bea1b3. 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/TCABG1289771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb58f2c69ec1a7e360c54874f7b3f150f2e7c0d97447d2fec62616b6bf0e90dc7. 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/TCABG1289778.
Little Pretty Thing Instrumental (feat. Bryan Kessler)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3142a928f046d409fe98303360858f6329c3a04d6353d77332cdb91e250f4d03. 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/TCABG1289795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9546e33508d7ae1878bfb79b9859e03942192285584ccdc656f1142d63ab29d6. 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/TCABG1289798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb952ca4a0866dba274dd2a1de6a963014c8768eb12f2a0b8dacc99f99db9ecf7. 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/TCABG1289802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa675c57ed65d891d41cb328ca57ff2939ded63b3e9c9e972014650692bb06ccc. 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/TCABG1289804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcd8e30c98eaada6fa47cf5b7526916dce957f955a612e3ba5cfd5fcad15eddc. 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/TCABG1289805.
Little Pretty Thing (feat. Bryan Kessler)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdff97f477fc518ee835e9cbc03575204b3a96c0a42d5534dc6f6dd8b1423c0b0. 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/TCABG1289810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e9ff830b69c956cca6fba94687a63f096c290c9a1f2d69642c3851e47570f8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/TCABG1289782.
Soul Jazz Records presents KALEIDOSCOPE - New Spirits Known and Unknown
Matthew Halsall & The Gondwana Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x072051795083077adbab7dddede2d9807ce564da0bf3a0e721a0bcb8c58b100b. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/GBVTB1410001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x013139422d720f6e80a045fec6d2037bcf447b1468037f5eb9ad8e7f61a6668b. 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/GBMCZ0601153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fc0fdd539912789faf60b7b02bcb769c6b2e09c77a21e30454aeddbea3ddd21. 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/GBBCK2001536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5074620840de924ebc59217bee830740a5448d4a6371a93e4af40f895c216eb. 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/ES7381500012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53416cc7f6628f66f7433ad05ef9641e26ab4f7a2fd1e55c1730813cd2f4e2f2. 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/UKCFF1700098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe85f4437c7a8b3608e40206b6e30f2548e8333a0138827bd645f90ec0e28ae9e. 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/UKG2E1700011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40afeb0618bff6b17905f6cbafdaec74d46966cbc879dceb2afe9f1a6924ad5a. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/QM84B1403014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2373774f0e9906510072aaed113f8f5e4ba0ebe49530ba1b60bebccb05d19ca2. 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/GBCTB1106001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0638daf4b10c5d81a4b8be951257f9f39cb93f75ee0e3b994cbf3c5dd48eded. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/UK6821907702.