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 0xe6d4a0ed053994b6e2a5121126880b7523183408b8c1e790141a766ed8717838. 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/05f04a6e-89ec-44aa-be0c-514b4885e58e.json and https://artists.proofprofile.net/proofs/artist/05f04a6e-89ec-44aa-be0c-514b4885e58e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ben-hur vivant (feat. Luis Peña et son orchestre) [Mono version]
Le temps des copains (feat. Luis Peña Et Son Orchestre) [Mono version]
Dans le cœur de ma blonde (Mono version)
Les hommes joyeux (feat. Luis Peña et son orchestre) [Mono Version]
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 0xe7c62e832588422f68fc6902638eade89f54b101826212a04a3a9ad134334422. 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/ITO0P0100153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf618858f19a55013c8a9dd946cf2235b34d6663cd3e3467896595307d8f2e513. 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/ITO0P0100157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eee755095c35b6121374dc4bd44a94aee9c8fa5776aeb5f83e72ea1e506812b. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/ITO0P0100158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02533a74933d4627fc5d34fbbdfb3796e80033b75bb1c72bb13938fa56691034. 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/ITO0P0000810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0be35dbb001416b0fa6470727c866e668b404715d429a90e5573ddd70b2d3011. 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/ITO0P0000811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47a79663a44499c55f4e360c810789fab51c2482b461d7b8f976c3089aff7040. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/ITO0P0000812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12615f1e5ea75bfb37f9c6e4eeb7dc260a3daaf84f15faa8933f94ad862ff6c2. 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/GB24D1700003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35f94c9a4ef9996b2ab72c7b9548ba946067b95b09c01e19152621d58547956e. 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/GB24D1700006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa90c80695ff330c05f79171127f83c8d2e6cdd42a97672dd50ed60148b8863da. 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/GB24D1700007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ccf7f1e5eaa594f956687861bb72892ad71deafe55deb884e2f2dfaf02b80e9. Chain 2 (Bitcoin): anchored in block 959073 (2026-07-21T23:25:37Z), 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/GB24D1700011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc62a5da1c3bcd62e7293032d9df39ee2dc06025d7a8ffb06fb84b84f89361274. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T03:29:40Z), 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/GB24D2400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b226d8b675d653fcaa52d13889a54691aeac1d13e0d769380aa13bdf25fcdf. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/GB24D2400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b272785ded153e4f80ff63006fb539fb7df2d1ac35d305696b81ac8f6af29cc. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:06:11Z), 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/GB24D2400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa951997c867475ac281c8011d0519c0e999dc9d0d5083ff41cb7168d1328f758. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/GB24D2400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91012a4e28c66ac22ff7a5784427661a2e71d04da70168e4b3b52e326360a25e. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GB24D2400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d6f582b1b6d7ef5dfac35697691bf3fa244aa36c1929651427410a349b20e67. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/GB24D2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41c26972c0b95bab1d3e8edcc0bfcc96f5d83cc9e71ac749787b9cebb22a61c7. 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/GB24D2400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0bdbe1a7f168cf7d6069e8b287fce78f2e37d215c54ba0aceec1fc0301528f7. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/GB24D2400010.