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 0x76914e38368e9f70a26273a0be6c3ddd456aedced1e037880cefb502855866b9. 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/9ba41aa4-3881-42dc-a8e5-8d469ec868ba.json and https://artists.proofprofile.net/proofs/artist/9ba41aa4-3881-42dc-a8e5-8d469ec868ba.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 0xf820551545b5cbecea889b0bcb939a18d404145bb3fe79fa773d69364f2e794e. 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/BK4DA2322443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c30857a8311be1812641282bfa65eda3905160bc9dc65c505883e943db5a6bd. 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/BK4DA2321019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01492dff6f8350601027884716ee6a8abd750d83209792f9c1759465897e1389. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BK4DA2318648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc0edb947ab00f4e0d610eb7113d4e5c88a677e8bd8aecb56b975373910daf6. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/BK4DA2305344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a3e379b5c1a423083ddb881ff765ecf578182693edebfe1de06766deb09dfe2. 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/BK4DA2206612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1314b706a1f6c02dc276eb8f6ebf1a659e5a820746293c26140ea198d11b32b. 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/ZZOPM2240836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x405d91019f239286a6cc045a57a3b4d19e3965686d1397c29ef1ff3c5eb34c54. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USDXS2104779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6b79243871664da0ae0a7803dc8a7ac039adb9febc706dc65545294f4e22c8. 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/ES47E2004053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb33c647ec27a9c8d1553540091aa1c95bf97c8699a2e52a0b95ea241a37d4bcd. 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/BK4DA2413721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ff19efc549e31f73c8e9e45f88fc834673424461cce90a67b2e0151db5e77c2. 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/COAGR2400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x880755487232570b7699b54de2ce73192f4cd8f7f782a5514d63c73b2160b381. 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/BK4DA2407454.
Factos (feat. FineSound Music & Wezzy Beatz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a540fd2375972dd51cff1bbd2e947fe339f506e057483f3ee917e894119b369. 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/QZN882421935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65c14364589d0122937b3bfa8257613335d0ab29e6bef84c35857fb5f191237c. 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/COAGR2400022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3912079fc647d9e9fc41a9723c31a5c077c5195d119ab3bc0fce92f5f11f7f. 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/COAGR2400018.
Caile (feat. Esteban Rojas, FineSound Music)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b3ebc7cbc7ce9cf640d008ac44d18264d6c0b1a8bb1cf85339f3d9bebe92e2b. 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/USWL12404079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5cbb660ee65e99fee8cc11d7f67f2e5c3dd430f80cc7719d4a39847b67dbc56. 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/COAGR2400016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb92c3175d28efceab57248591ebc386b560043c41bdc8a21f9cd065dbee22a2b. 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/QZTPX2498888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74f1cbb67627fa533d4572682b8817adeaf19b8db3b086a22dd1c3a36dbb3783. 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/COAGR2400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6049a9b7b662a485eece54a70415c8185f643cb0cc00febca8c23e16d49ff7. 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/COAGR2400001.
High Class (feat. Magic OTM, Flama & Lotter)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39eabe497b2801c34e17579a3390e7a9611bc3254e935d7e1a24611b51ad1538. 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/BK4DA2430264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc832939c914e1165c59fd09ac0c8d2f3e0ba73f644cb89786753cf5701f8945. 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/QZWDW2371186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98acf4bca751a06cb8f3c35e5b4a620bef2de0345c85f20abdd95be007bdb27f. 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/BK4DA2511120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bf527f4638d5bfe5c0ebf8906b9089fa5c4a285a0e1dda24ea847582109ad59. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BK4DA2511949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2690cd89b2fa103f33ca71d04d946e8bff914ed283884c4534132502c2e3b2bb. 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/COSO12500018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2bbeb4f76a54f8edf704558b060ffd30faae57e5570c751646644dbb360508. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/BK4DA2505457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x978c1fefc6cbc102a81d6f4b416f0e7bb9910d7e6f055311e1748a2ef9c88192. 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/BK4DA2503388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3138e75b2eedb6d37b7d2b75cc49354317226936385926d464649fe59efe7e4. 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/BK4DA2463297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82ea9a9787b9218dfdb7abe0c62a04aeb748908a5dda244137d71adb021e2d0. 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/BK4DA2313984.
GTA Cali Cartel (feat. ElMalaFama, Maicol La M, Robin Rouse, Elniko Arias, FineSound Music & Mauro Dembow)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a861307a868721e31d9a194a012ae5e78973bc63e7227c1a2ab0ec6bffdfc5d. 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/BK4DA2319103.
Westcol (feat. Clandes & FineSound Music)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ec4f47108d4bf7198a24132fd5fde0e7dfee15356e387ecbc109d325f28c24. 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/BK4DA2320693.
Mi Parche Remix (feat. Reboll333, Maicol La M, Robin Rouse, FineSound Music, High Galaxy Music & Producer2233)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb28d3d3557033ae499e7cdd2cbf56edfb1b770ce3d8c3de8cea634044641d7ec. 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/BK4DA2407093.
Chiki Wiki (feat. FineSound Music & High Galaxy Music)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57477e89ff6692f604a870ab318fa495361686acbb9291c7b1fb2bb2cd4eae8. 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/BK4DA2320633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c736197b7653060695b643b4120fa05534dedeab9a41fd79474fa69edea9acb. 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/BK4DA2412953.