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 0x99d1f3b6c65b0816e1dfca9d543e766e113be92f918c4494d98f2b71c2ccd9e3. 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/6271a271-be01-447f-ae79-c8e922654b9c.json and https://artists.proofprofile.net/proofs/artist/6271a271-be01-447f-ae79-c8e922654b9c.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 0x82c7e2f8d9508b1309acdac0d2c9de63ac5b7eed4129f5a595b099fa9b886146. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:41:00Z), 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/QM6DC1890623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dfce2d878a4f925d02b2fff5e586b4f5d4561db54aa4dab7a4623a3dbb53a6f. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/QM6DC1890624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x357bc477598fdf681e6d6e52f2524595ee7dd61c15f4e8110f71c7f522f9711e. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:07:07Z), 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/QM6DC1890626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f39e5288af5c41cefd4d893f93e7a387604e3c64055038bcc70ae41d382440c. Chain 2 (Bitcoin): anchored in block 957702 (2026-07-12T12:25:41Z), 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/QM6DC1890627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77701e2f8b6cbf72cfa6a64caf17d2c6a9de2216d6cf868fdfa7881bfd882fc2. Chain 2 (Bitcoin): anchored in block 957699 (2026-07-12T11:51:06Z), 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/QM6DC1890630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4334d55d7242decdbe7564d9cb38d1b9854f7ff73ab1d9d1bb5d58c19740f7. 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/QM6DC1890631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15c0ca22be4f9d9f5ad7b65e47162dc7c3314a1851332491abeab86dd38fb204. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:31:04Z), 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/QM6DC1890632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x175c2b175a5834967198b8dcc581b5fb7a98f2ce676f644b711938890ea963bd. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:02:49Z), 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/QM6DC1890634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06fd61c663184d6df277a935f07f3664513665a28f6b3ca7d6784a69ded0d403. Chain 2 (Bitcoin): anchored in block 958705 (2026-07-19T08:43:25Z), 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/QM6DC1890635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51965d0b8f2dfaf37200b0256bc015e20dc987ed67f5daac649846a061fddbac. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QM6DC1890636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4b5f6e79dc15c019d849ea94c87216d9ff61edf47a7842052bc1444d6e77337. 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/QM6DC1890637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed47efe96647a06b27df3612f569ed42075bd7dfad173d1f29a6220c5f3fcf22. Chain 2 (Bitcoin): anchored in block 957699 (2026-07-12T11:51:06Z), 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/QM6DC1890638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89eea31c665cfa89d0413bf16a8d97dc9f74d0c27af6108b7ebcbc861f55985f. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QM6DC1890612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa46baa662dff8cdfe0f5602bff3928256ead5549f6f2fa15488043af75abc76a. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QM6DC1890617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93c5030ce7411f2ca2596f90709c3fff120e3fd6e3d6bfb552e8607e3b1318e3. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:09:52Z), 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/QM6DC1890618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b8a24496c61f15f4994dd53d388e73df6d3e8e3336b9ed85d4f1f24c0c0059e. Chain 2 (Bitcoin): anchored in block 957699 (2026-07-12T11:51:06Z), 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/QM6DC1890687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82b47b1f103703d121ee77e5a524e34aeae31689801a2c0f1a7380de4e0adb23. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/QM6DC1890665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b0ef9bb46fb0910ea8db87ce1d31134a6aab9aaa0ad1028112081baa327e668. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QM6DC1890670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd7252c60e7944f0d52b636b561bc394784c0a6604838d2adf932514cf86e64. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/QM6DC1890671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613c4571451afac6cb3367934d38fd4ff2d9707cb604a42abb99c6d313bf97e3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QM6DC1890676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2050a16e2258d6b8ad8fceb95e9e68f022126b46e57f26c77deb70de432b1e52. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T17:35:17Z), 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/QM6DC1890677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac788567419a66f9f653d072cb8667919a29fd94ae599366d65e83b32b9b4cc2. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QM6DC1890663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd12abd6bdac7bbc0d2b965c873ce58ca352ae963de2454a1294e8218e053956f. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QM6DC1890667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c5bfb971ce69230d30d2701683b48fdc4515944d181bf0d328c6acd2e209511. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:02:19Z), 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/QM6DC1891602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5483c62e932840cf0d58e41f47e8d7f9bc268b27cdeba70f8b682a5c830e4448. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:45:47Z), 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/QZDQH2258014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5133a621bbecddd8e018ecdd3f4a47c6eed46efa7a338a917e427df76b3215fa. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/TCAGS2372942.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3840cd8dcdb0240ccc2cd6bbd61db484ae0dae66882d26591fccdfdaa1829aa4. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:47:24Z), 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/TCAGS2373040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd178f0908fc8ed270777940a16d3edf3516be055f947ac70c3d294936f6622ba. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/TCAGS2373095.
Candela Verde / La Hojita / Cancrejito Playero
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4146014144b87f942ce5211f9caab11ae35edc5b4de87abe102325207e32fa76. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/TCAIP2490318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe0624ae4c755d1d6b8ed173c7f655ad49c75cdc317ca57baaa6087511bcaff4. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/TCAIO2490345.