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 0x6186c1d333bbf4253a5c4289f8060a2091567170b420eeba6d903ca54bcfb6ca. 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/95349ea3-e015-4d70-942e-548a976156ce.json and https://artists.proofprofile.net/proofs/artist/95349ea3-e015-4d70-942e-548a976156ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Dragonets Are Coming (Wings of Fire)
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 0x613ea8d444af4aba339c762bf989a3a862af87e98e8cb833596101791ff8c5e7. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T18:14:22Z), 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/QZDA61941051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c222d0b2099c656ae05b1e7fc19c1c265dd07545418f08282f0ece30a4f38e0. 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/QZFYZ1907505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x004ab46aacd82cbff06ac1543c8685683bc05b8c122c19673b56aa5422d12a75. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/QZHN41934525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c78f2ef966d2780aac3834315ff027795e7d0c4dfa63b28c8415bff1b4289d. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZH5E2026872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39433d586ffab7dde245c7848e17c1d4f579898565f0006c68862901b8d16f0e. 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/QZGWX2099391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb6aaf4180cab4feb77b37bf62217850b6fca46720ce6223d3ca61a97970550d. 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/BGA472124932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45185f0eaf63affeb34b676957cc0de0e889c2b3418c84161bc1b35bf45cbe5d. 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/BGA472124933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae82118df6793a1993311e91a06af96a16592bfc6a8ffa3658a36dab041e97e. 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/BGA472124934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124b807b34a79fd90c4375090fde18355d76634f76a5e457fd288ca5e34fa404. 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/BGA472124935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a113bfc1af27704a33ca4ba3b3c072bb1b77b1e9ffaa02e62bb417cf45ddfc. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/BGA472124936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79285406c3ebaa5cf26f37833f1d5702d3da5ad01f4a4c1a33c1f5bd91526187. 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/BGA472124937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957cadb6fbc161ac29d0721dc9743832a545c2bbb7030a55c93bb2c074c4b5f4. 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/BGA472124938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf01fcfcfe7572c7bc8f82c1223e39ea6871440f31dff864c31c1e7e89ec9b19c. 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/BGA472124939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03f357be7674aa4b81bbbf16b9435ed6088228d05db68cc8614e6cf9088f07a6. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/BGA472124940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70f0b00515cb07f5db991e2a83854be2b8e567e40f7b54768b370dcd3d14ad21. 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/QZPJ32133121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a144844d9ecee0ddd351320a997e3f3b681d401b189deb0cefdf328a57ba79. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/QZHN42223132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47effc5c550d61bbccda23cd526c25bb25253afde53be00326403b13b695ba77. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/QZPJ32227733.
Songs For The Silver Screen : Cinematic Vocal Trailer Pop
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ca692ffea7efd36c5c778f7cb0eda78174997037a246cdeea4ace18da8e8480. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZQ882302008.
Symphony No. 7 in a Major, Op.92: II. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc5a4d5301bac648ed177a411f7dbd9adff60f8738e442a12aa0e6106dab0b1. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/BGA472135110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfda1c5a100da63ae42d91030a039508e3f9ab6fed8b304bd27ef4d0ac699a803. 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/QZYD92300600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8119eb9495917ad34aa07637804501880ce7f70cc7bf6f6005cafd6299203757. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/QZQ882301364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7d399b1ed36a8a14c819c347b9da5b3fdddbd655eed1f9186130fa5ffca20f1. 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/QZQ882301368.