1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xe59e325b94c5274aa2855bbad1422ba6e88c6d118e106aa8b2090a0ebdf2807d. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d873723-0bb6-45a6-92ee-8c04c314b8e7.json and https://artists.proofprofile.net/proofs/artist/5d873723-0bb6-45a6-92ee-8c04c314b8e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Deil's Awa' Wi' the Exciseman / Drummond Castle
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 → block OTSBitcoinBlock must exist at that height 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 0xbbab62e270b295e8d40beb79ab7d56bcb1470c1dab23a9dec194646065c98d77. 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/FRY471360902.
Fest vraz, vol. 2 (Musiques bretonnes) [Celtic Music Keltia Musique]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac36b95f7a6b021089738b51341e62505b109d15aac02ce9dd3c724952df6006. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRY471462913.
Pub Saint Patrick (L'After par Keltia) [Planetary Pub]
Fest Vraz / Musiques de Bretagne / Keltia Musique Airs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41019c684b73bf7001e83484d636ace564e0e36abec0cbbc58e5b8608256081a. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/FRY479404601.
Ar galon digorr - Moueziou keltieg - celtic voices from brittany - voix celtiques - keltia musique
Loeiz Ropars ha Kenerien Danserien Poullaouen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40e4c2ecfa58a1a5aa90b20327071c6dda519dac860e13ebadab627574be0978. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRY471566302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaceef62516ba78b625c9d74ec54a7cb75b1518b941f355ea933602175253708c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FRY470213704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa7e83f5fd1de2bdec5d2d74fa12bedd56c31a841c905edf5cfa96fb8c979bf6. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FRY470213706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb39fa8c29d1e09b2022bed87418234620891d0e17fe3ca34c55ec322b9bddd8f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRY470213707.
Ar Galon Digorr (Moueziou Keltieg - Celtic Voices from Brittany - Voix Celtiques - Keltia Musique)
Ar Galon Digorr - Moueziou Keltieg - Celtic Voices from Brittany - Voix Celtiques - Keltia Musique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b95cfc251a15134bff50edca6fa9364d9a5b1c9c8a6fee02ca979a99752f396. 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/FRY479705101.
Ar Galon Digorr (Version Longue - Moueziou Keltieg -Celtic Voices from Brittany - Voix Celtiques -Keltia Musique)
Ar Galon Digorr - Version Longue - Moueziou Keltieg -Celtic Voices from Brittany - Voix Celtiques -Keltia Musique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1655fe3f6c4bdeb9b7824e3145d11ae293bc15ee1b562c49e85dba51d3b20843. 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/FRX611900400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb894a6a9e27dd35f8792e4e2c6c4f452c27d8586ebe3e1a45d34dae1f0b5a0. 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/FRX611900401.
Suite No. 1 "Tri men": Suite d'an dro du pays vannetais
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2011f2f04ace915a22e2a4299a5b2f63d0ca262d355c71024c817a8e3454839. 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/FRX611900402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0b8b9a2a374b9b2800d685e0d3c96485b1df346e9eb4be768a79f5eb4db9f7. 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/FRX611900403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d0f70745e3da3cbfb86a355fa85fe9e16c13e265fbe44f5e15975fe8f8b029a. 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/FRX611900404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aaa698474e21cc76171b771ce0e1a10a6f869c2103d89a123d926eb3e3a809b. 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/FRX611900405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a84213be4da7a02f884eb65ad0d6ec3cee1b4871be21fcba41d78ed17a6c3ee. 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/FRX611900406.
Suite No. 2 "Ker eon": Suite de gavottes des montagnes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x034a86aa085c95f9b33ec29fa3539a539d0146e76d51243408ea493a5e5f17fa. 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/FRX611900407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96dfdd47445d1192018e30a2e6450949f4725d11d74590c2e9a54394c85701f7. 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/FRX611900408.
Suite No. 2 "Ker eon": Trugerekat men dous
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ebe0ebe98a8879708388d54bdfc87a2066942bfccad45afd5320fbc0ca51c7e. 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/FRX611900409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f966514acc3dbb36a684b131f9ba7948fe554104f24854cc7f4526f06a3246. 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/FRX611900410.
Suite No. 2 "Ker eon": Kerzhadenn - Pedenn
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6e41879aa058355da3a4ec51b5e43639f6a13cb8efa7c5a4e5674c013f2ead2. 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/FRX611900411.
Suite No. 2 "Ker eon": Variations sur laridés à 6 temps
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ef57bb513888d1feff40ed376434e010bc58b0195840773fa5fd39958dacc5d. 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/FRX611900412.
Suite No. 3 "Bannec": Marche des conscrits du Faouët
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20fa7c369fc32b6fb3653cc1f4747210b644b981b2140326716dee27537d6902. 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/FRX611900414.
Suite No. 3 "Bannec": Me 'zo ganet e kreiz ar mor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8b67db19b4f60b3967cd728bb3d1a5a407c44165a875c003235d1b5be0e461d. 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/FRX611900415.
Suite No. 3 "Bannec": An oed a driwec'h vlez
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb19fa00be54e62835d4c400bd22a7219700524eda5dca7608eaba94b260a9ab9. 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/FRX611900417.
Femmes de bretagne (Celtic Women from Brittany - musique celtique -keltia musique)