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 0xe34d0e644d4cbdaa859d2f7059fa58046e044b4ea6b59a8191705911cf1fcf7a. 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/1b7672fc-d273-4e82-b04f-f62638c98606.json and https://artists.proofprofile.net/proofs/artist/1b7672fc-d273-4e82-b04f-f62638c98606.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 0xcca46566d0182ca11d73cbe51c45f55ebb3a610c508fd3152319be66c779a7e2. 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/SE5BU2064307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9217672b02032b4bfcd7732259de2df0a15c61c44beb4905eaa51cfad192af. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T18:26:53Z), 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/SE6A92000144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfffbde6664f7e4c49c3ce70419aed63c2f7234589ed7c3923a11680aa0ad054d. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/SE6A92000117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa556918066fcb6c226cb588f5d6bd88d08bf35e4b3028cfd0dcad0201cec1ca8. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/SE6A92000108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8d234b42736486fa3a743ab5b94fc99c56f548f8cfa15cd8479d741853e5560. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/SE6A92000099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d517f794be86744491b69defc33294385e8bb1eec9cfb67624d4b5f67d3f08. 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/SE6A92000098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d61d1babcc4f786e957f090f3d9c45ae5ab1c6c07b1f3f3fdef0d239902034. Chain 2 (Bitcoin): anchored in block 957852 (2026-07-13T11:25:45Z), 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/SE6A92000096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb8cee17985e69c385ee7bff7972b9a23a639d27103641f90e8a93418d53256e. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/SE5752032449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a9ab45bdec8c7cda3e04711bfd79f8767727e07ea94ef406e6044cfab1db915. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/SE6QE2002762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a56bbaa389a81daa3a56d1e0e304f24f152e4f5cb39db9d57a46ee89d91b1e5. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/SE6QE2010427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f70bbe9882584319bc9ea0fa2ac5c7494fdf2c67c88655d3a87176b767279be. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/SE6I31945067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3fe3680a60ed906688485db69acb5ecc4c6cef6924401c77de4b5c6cbd6479f. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T02:28:48Z), 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/SE5752112574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae06c9315daa5aa21a0fc833e3f3f3c39892735dd78ab9c89ef1a1ad506f150. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/SE6HN2100260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc189b16e6bc4bf204904324527101356a6557661593a5fdd3367123da140074. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/SE6HN2127569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26c50ed0fde069e7a1162cd4749e74cd00d99b0390f0566e7bf1726b3dd9d465. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/SE6QE2124715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd5eb8862f06c95e3265bccc26a46e9c3729d39c7342bbde29a496ec3ec4c373. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZHZ52188234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b56a4d792033b99faa896f167a1134c83134466f3ebcd7f8378b56a73937dac. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/SE6QE2189230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb96fa6caf21c864c70be1d1d8295212377eaf85a25d6e13eda63c0370fa0a7cd. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/SE6XX2134011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1154f7114bc751a5bdbcddbc1544415b9bb30ab1c17048bb0183c362b1949f9a. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/SE6XX2146085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x797c59c8dbea46229af4fa2846622529e90fe2f71344b808bfa6cb449ca758ab. 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/SE6HN2229658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0544ae105807ff152fc9e523bc5c48349063d81b335fa63e5f48ed8e4de08385. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/SE6HN2264113.
Nunca fue para tanto (v) [2022 Remastered Version]
Nunca fue para tanto (v) - 2022 Remastered Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaebe2e9be26cc5aac261145eba94e570b0e8e98db23653139634b2e5bed064a4. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-02T22:22:35Z), 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/SE6HN2270634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde47358cd4f62b853a66ffbd896ae79f02b9c928f26d122de93c8eaea53dc461. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/SE6XW2206211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd5f59ca4f8cc976453707ac68e6b2d295958004727ee67a866876e98aa8ed7d. 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/SE6XW2206218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1af5663557fa5cadbfa3b8b3f6f7eb58d8135a7e65d6c33347bab9ea1d3867eb. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/SE62M2241030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1154f7114bc751a5bdbcddbc1544415b9bb30ab1c17048bb0183c362b1949f9a. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/SE6XX2146085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x787881cf0bd2c39ab2f5658a1a997d1ac6d47b76db3b5e745c240fdefd31d97c. 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/SE6XW2206216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaebe2e9be26cc5aac261145eba94e570b0e8e98db23653139634b2e5bed064a4. 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/SE6HN2270634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe53d6819c8468bc008835a3ca64c97cca9f716a48a8177f5dec3f091a948ffa2. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:53:53Z), 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/SE6XW2206217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e58d5343485095b59edf40713110e30bb4875c5880e6a4a9b6b1ba86dd3979. 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/SE6XX2548004.