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 0x8119fc11a7fa1edeb04657b1c213b0c3b46b9a65ea54f7abe59ba4012b1ccbd8. 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/a454563a-39a2-49e2-ae15-3ad53945d7b9.json and https://artists.proofprofile.net/proofs/artist/a454563a-39a2-49e2-ae15-3ad53945d7b9.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 0x3e4491a63ceee0f240ea124612383e67f4961a01f6df18a75384158b4784706b. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/FR96X1666406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc897f78eb58d0fa880cfd7d8b43bf00246d76e1fc0ea83798b6f5481845c07b8. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:27:14Z), 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/FR96X1666407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02d8c208948f12d094dadda8d83eacf2e99c5b812e1fd4c214103c8ed237c0da. 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/FR96X1666409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a10b0a5ed482622779a95d2746a56dc7ccfa11de290d4de9f3e5a8f5e4df4f. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/FR96X1666411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c95a597ff4a47efa16dfdc810926c87bc2f33b62177060467220e0ddcad14c8. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/FR2X41442931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aad8bdf4d79259f1e87ecbaa969735dcf521069b5e7d06ba5f621a834501a72. 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/FR2X41442932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535389e4458cb5f7984789b9d8b066c7310242b45150f8891669597ba5abc3fd. 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/FR2X41442933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38f1d8b8b4ed4f8647e72206fb51e2c04366a1d4d0e7f3cf6f58154f58a45c27. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/FR10S1458640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e01afaa9084aafac6297649fd9335da2de2bd0c6fbf951287b39b494b3cc26. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/FR10S1458642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57c9ac17e60d112fa08e60ccd113efa271c469a3c7d8377f72e39f42a7a2c26b. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T17:05:07Z), 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/FR10S1458645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27f338966eeebb7607ea150c61a1fff5eeee89cbfd6f2f1a4e690f578389cd06. 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/FRX201522940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2b614286aae0fbe09e08031d76aab2372704a7f85b70208dc017ae0ba6d5265. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), 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/FRX871523140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3722b11b00e809c2cbf588524900c803fe8238d0ecd152185585d8edf9473d8a. 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/FRX871523141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdd9cb882592e5add9032e139300d46ea426d0d5bc8c24eb5dfb319cd5db4348. 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/FRX871523142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x099b136b06be30297a0b6a5717181e3586b403ca52e6b811a79ac46a2a02294d. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/FRX871523143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f82b25f5d226bc285c36755af7b0169f4916d481179b18cf19eadecfa88bce. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/FRX871523145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1806053ecc9a900d8a2153b4df8f4d7fc258a678ac95e3b600ad0fb088bc89b7. 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/AEA0D1952572.
Ebriamente Bohemios (Acústico) [En Vivo]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc070bd37ca550f9a8cc00422055b495b6d68c06e03a2bda97628e5883a14c76d. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:47:52Z), 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/FR59R1968364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee8cf5ab8ed9abf6a397211517cd2715a0749454aad629e207e35439c055653d. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/FR2X42281547.