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 0x70ddea9218a094f8621c62d225949e124debb21ce24748f9fb03922f3ba4833d. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2e488bc7-b8f5-4ad5-a188-f020d3367133.json and https://artists.proofprofile.net/proofs/artist/2e488bc7-b8f5-4ad5-a188-f020d3367133.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 0x3f5cef17923d7522b91bd662156b701bbe418bf628b781fcb3150759f92a01e3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BCM112300068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08791ca34a78a5ff1cac7c9edaa3a321984a63b95deb1e0ab09a30b6a6205e7d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BCM112300071.
Calma Amiga - Ramemes & DJ Tonias Extended Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3f77b110ce9a324b8758da87cf78fca0e5e54dfd419181d567299ba1441da87. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BCM112300074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb99146d2df5efe4cc18d39cdb06917d0b2d8ec76cc57560d279030bfdf7a883. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BCM112300083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa8ced1207a5c2a19e98fb031c49d0b0bf887a1714f5367c32dee099d903f81c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BCM112300086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0a3a49772152a063a3e9d04e82cf1a72ccd050c4ad66c18c46b6b47c6e24645. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BCM112300095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe7b4ef88fbcbbd1da9a65de79a96ef96d238e7c97d141bb011d6315c503eac9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BCM112200044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d35b0d4242bf31a8dd6e61fc7bcf9091d988aa4a97b074ad84cd86ca51dda00. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BCM112200017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66e1578f80b3df59741cf4509384fde3a2836f4b41d76f0ed08b91de9727ca2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BCM112300004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87617a2a0e7caad86345456ac6dd8a367ab6b2f335659a9ae9975495fa97443a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BCM112300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x763be7bd609a47880e76656f63071f5440bd871c7915da8a87cc80e7f5efed7e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BCM112300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a10cdce5d4cc2640e151821aece0b329b11e93425cfba1989c9287062cb443c. 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/QMFMG2367746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d1010c308cb5c2ea4ecfc59b166229d3c63a9d974ec1f1a7ff804661bc47f9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QMFMG2367753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c1ad9ec1375063b292f913f91a7007de524159a03b46af3d9c37339a0387a0. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QMFMG2367736.
Automotivo Destruidor, P7 Vai Te Destruir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71e33e0aaafec1180ae03cc9f548eabb98bf16172b97eaee1a56970adb0256cc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QMFMG2367744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111bac15a5edf215e0b37440426bd1d350858062983cc0d405faf5d787ebbc7a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QMFMG2367733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67515e5cf47f3158c4e236c5119c6ce43829545538cd0e959d60ce26d07caead. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QMFMG2367751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45f26f6efcf4603706fef8a78fa3a49572d26e5d56bd0d74b862a897d7fe1f6f. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/QMFMG2367737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x937e77c0682deb866318c3b656a630cdde0fed05a143c361079cd0bc0d46e62a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QMFMG2367740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee9c4e3fd19b8d6bfef8565dd6fcbb39b22220a7e808598aa608ac162d13cc97. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GX53U2358373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2671aeb94601cd0603544ee25aa248e9a4408e07f3f542e1e200748ea71eb325. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GX53U2358375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x777c2951d668ba9627373af72909f7f918e3adcdbd39926e1f9ccd679786b486. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GX53U2358394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4221968c26f647cda9ed52faac61982188750940460930d28ee547a6114890f5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BCFCV2300113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2365711a0973034a304a0f7bc844d7244e4b4e57a426de96116ea2783aac3737. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BCFCV2300114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46daacd3c967394501e67dd9a306f2e6e1ad63a3bf9572d54dce289dcbe21e59. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BCFCV2300117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5697133b5c6ffa1d724ddd8ec885a3222593aea690c14d1e209de5e4ed542a9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BXSBS2300041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60f480c69b9a837c116fae406d9ababe8656127919d9c5cf36cf1b65ad1df622. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXSBS2300043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4ce2c32afa13ddca7e1b6a6d083a760033eb1ef2e497019ca2c55a4f90da312. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BXSBS2300042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7138a19d49f14a69953655a9324ef44d0a5be87e99bf9863fb3fddf522250451. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXSBS2300051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x121a4a115c68a36f12b11a13af36bb7d2524ba68ef72559fd529d14d0e713335. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BXSBS2300044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x414c8d85f2fe6fcdfa54054788b7f79d2cf1d319f7616b2702c9698a20bffe38. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BXSBS2300046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26b4e7b5e860c99a3b802fd32d82d9911e95689cce98a44670bf8d78bbcbde20. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXSBS2300040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264acba8748d289da735c33efa67dd383c70ad242bcce65a70b68bed8246771c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXSBS2300045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7e636732acd86c653b3def0ec8ff5034c4b7a629755f8b2c600f39ef72c1a76. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXSBS2300047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d0b6ba0219c3a26e3ad403ad5463f685b762712acd03d019d57a4e864ee020. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BXSBS2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4fadc3720f59079224b9e22f0002bb352a654ba7ecee3d725cb1f0934c83944. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BXSBS2300048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55c1cdf4c152224e18c3f3b69665b789250e1ad9121c9a7aa2e3c4ae1650b719. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BXSBS2300049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2707828bffb5158152441a5e64657e7245111b872cba1c1941d238f7316aa445. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BXSBS2300050.