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 0xe1068ee72f052e992fd2e3ac94afd008784c70328483365195ebaee683a7b44b. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/68359c9e-1431-4377-ab5a-e485afe2c8aa.json and https://artists.proofprofile.net/proofs/artist/68359c9e-1431-4377-ab5a-e485afe2c8aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Duranguense Vs. Quebradita Al Estilo Tierra Caliente
40 Mas Buscadas de Tierra Kaliente, Vol. 5
Las 20 + 20 = 40 Mas Buscadas de Tierra Caliente, Vol. 5
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 0x7dee80ccd732f908f1a66f83770a0961c9fe4ea67fd796e02d290f01214223f0. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/QZDQH2362101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb0489176101b42ad1cebedfc5417e1c645dfa35b78bbec8e2b99911f66f1157. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QZXLZ2402556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x053770c2f3cca52255959fa0faf32be0342f48f5be0298ea5d8722f5cb48f3e0. 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/QZXLZ2402557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x652f1c5f373f29a941661d406c43c359fd95b04a525cc9d69fa04b610749053f. 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/QZXLZ2402558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x344668ce7562e8ffe15fe8f626bf5667d2fd746ec524b6742d86e228df29a705. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/QZXLZ2402559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f90592bde13a5a40ae5d55a471a7b6411ab4bd37af7dcf713c2a213837084f4. 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/QZXLZ2402560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f586eec05825c440e80edc1c54e92c00af8c30172941a2dfade68623df51b79. 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/QZXLZ2402561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1e385c3f82e3da237a4dc8606fe3086813d1b0a2b7f5f36b94be3bb2495d9bc. 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/QZXLZ2402562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbae8d1890ca7524370fac453794b6eff5281856d33a8f693dcb01d7567bf8062. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/QZXLZ2402563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3f481ebbfda3ff04f51633f2f6278ada796e0e0f145fe8d74212d1c59b986e. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZXLZ2402564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0595a2e6c30c01b4ecfb0b30a4a1bc796e9ae72d3012f24c18bdc4df2a0e046. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/QZXLZ2402565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x089539092608ce24d3d060550a1a026ec8afc6f5c5e10d242873ad96eea32bc6. 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/QZXLZ2402566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5ab1de0490911c991ffc591b759cf6d25bafa6addb54b2db88f886f11c2f406. 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/QZXLZ2402567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c1535b19ae495b9cc629f8409b21fd1d49a19c4c517912f0a63c1aaf19884b1. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/QZXLZ2402568.
Los Autenticos de Tierra Caliente VS. La Clave de Mexico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb77fd8fe48f1b70889893c5e37cf69d1c3d90f6db8f3c969375d376d94dfdda9. 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/QZDQH2352491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90152126386b0f5ef848d8909891d0d9b1864003a463aa3c8534b59927b572ec. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QMYQ51102449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93840649a6cd9fbd6731308a149beb3b033a9a73e6a408095100a6790714c06d. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/QMYQ51102461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fe2af01e99461b4730e93eb4615042beb64616b8f070a827c4eac1c2629d80b. 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/QMYQ51102463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb88fbab171c2c0051eec540b414e3aeaa56fb20995f06ebcaa9f7859e589a5d2. 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/QZDQH2353005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff76e883726f8a46a842626cacf43ddc9cc39ebd27e0b3041d8ed8f3ad336c39. 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/QZNW72337493.
Las + Tocadas En La Radio en Tierra Caliente
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb611ab9131d788dcdafe1c28a441e207ce93de1b02671f665c679165bfeddc. 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/QZDQH2357954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf14ec897dd2f355e5fe00ddfff5384b52cd3526e94e78203818c886827eaca20. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/QZDQH2357971.