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 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 0xa8d5e49fe39a6b9141dc77a32e5b3af9b89132c72c77917b82c795871954d7e9. 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/3032549c-6cfb-4757-8785-4ec1b3c3e797.json and https://artists.proofprofile.net/proofs/artist/3032549c-6cfb-4757-8785-4ec1b3c3e797.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 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 0xae2900670644b24ff02bdae084a978894d552b50d4f8cf51a98d594522bd3a49. Chain 2 (Bitcoin): anchored in block 957801 (2026-07-13T04:17:08Z), 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/GBKQU2349353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69f10bddb6e34991ac07ce68a7f4ce908b8dff32cc21b19facd7149eb91e74f. 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/GBKQU2349354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2fe745b4d11b373d33aa2d18524675598a083148a13a83548efa491a8f747d. 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/GBKQU2349355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc072d105b64cc235db52627fbd82028361de494459dd62b0f7d7f8a2e2066a14. 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/GBKQU2349356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a24d380a2c8cef061b82eb7bfd08e6330ed9ce6b97b197ac880b882169a53b. 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/GBKQU2349357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf45b5896025e6511d3157d067bbf11582cd044e07e6d3ba348d30de8e6b0070. 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/GBKQU2349359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6297318d7530130aa30efeb3b9a166ae6266fc6f8aaf31b4503cd120c2ee642. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/GBKQU2349360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x265c4289f17432536ff94fd6671e7def88702cc5685113e5cd9afd56e287a7dc. 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/GBKQU2349364.
Soothing Massage Experience: Binaural Birds and Calm
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6860ba8af3cc41759e3dd8b221f6ae33112566f4258371a8707cd817d04f3ac7. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/QZTRX2456353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61acf44b7024d29d40ca8f4e965e618609037c0a017bc5c61206fddb2e1f22a8. 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/QZTRX2456359.
Gentle Pressures Ebb Away Life's Tension
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb997c73deb37886003980a8964f905fc295d9ac54c6b75024810f7c4b07ee2b. 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/QZTRX2456364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd7e57a67dc585a3cbbc1fef0c03ca8978f5594cf93294cdb743f1ba4142ca6. 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/QZTRX2456370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c1eac71600d15838cccdf3548d74547ad0465f0393be875126a3b211459902e. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/QZTRX2456374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15c9f28feb9bfdbd638e6b11bde127bf6e39b3350950baea70667db37027d91a. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/QZTRX2456381.
Healing Resonance in Every Feather's Vibration
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bf958c8a57274490c3125ec2f655b25c485276c1d94af4c2f6ee00444bd3f10. 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/QZTRX2456387.
Tranquility Weaves Through the Senses Unseen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdecded196365fccba54c219e2274a8b9547d1166edbc9e37ef83024cf389d6b. 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/QZTRX2456393.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4b993b7eac1f20ea8f6e79e8fbdfdc6902079064bbee6bb2ce11759162289c. 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/QZTRX2456399.
Nature's Harmony Elevates the Massage Journey
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76e410ed2be8bab4367efc667c08e4047f600c4fa0ee083e85da392b70d28702. 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/QZTRX2456405.
Relaxation Music Sounds for Peaceful Mind
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ce3395909a7ce6c22b88169b958018eceed7443da2b8fbc041e7dce3410c9a0. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/QZTV32530303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93acb72cac01717096fb3f25db37f1d428ec7e0b200317ae44675af9e7052cb. 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/QZTV32530318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ef959cf0123bfab9afad5abb6bcdbc8aa7fac325266abc277b4f206946ab5e. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/QZTV32530326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e56b0d5e788e25f983c7ad2851d69570768131c2f97035fe98acb93efc7c9a6. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/QZTV32530334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c71d40e2737b6b34656598debac92bf4e3d0691cd964c8c49fc2a21c1431665. 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/QZTV32530351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17275cc3158bf57498eef5332bf00754ee5bef51d3395a374108c65c410bb420. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/QZTV32530361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83746069b50aa9c7a838ed26eaa4d9f179f3c0b0588920fe8a4e1895e8c56853. 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/QZTV32530368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x981bc6c08bde44fd26aeadcd06010e395bdf2a92f51e733f8b5ffa0c33040f72. 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/QZTV32530375.