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 0xc7da336222407668a973fa0c623ef367335fa8835a06871757dbd06eadca40be. 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/3846cbc7-8254-41fd-a9bb-122120ec7fda.json and https://artists.proofprofile.net/proofs/artist/3846cbc7-8254-41fd-a9bb-122120ec7fda.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
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 0x57dc07426ec50eadb8e4dc677c49aa98a2ac49cf2881c41447271cbcbd2c3cd5. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616242 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811a10206e2f430ea391381487e7b946ca50633572cae33278267d5c0dddf93c. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616243 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e352c6cd16ad695394b8822592a553dc98f6ebf640e3cf67f5c260b583952c. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616244 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f905e95b54ff3c1a16a088bd05b75776f7bf2faa0150e6f78c1260d71903909. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616245 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc00ee969ef0a95f0f4131de7d95b9bd13e0291d43f0220c0e16eb369b2594400. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616247 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c5a3fb4800b57e2ae66a841c3eb69861d00e1944fc293eca38797b503bab29e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616248 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd58a3614949f37e3b9ab11d3e6c536899744cd9db4863d1be3b7f4f9a637aec. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616249 — a six-check JSON result.
Ah ! Vous dirai-je, maman (Twinkle little star)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae868a0461abc40d526c2da60298fac87ef39d8a6cb584748d6f350e9932f2e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616251 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71354df8fc22d753919763487d980537f9d5487a9695a4bf907590cf16d5008e. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11616252 — a six-check JSON result.
Berceuses années 80 - Les tubes des 80's versions berceuses pour endormir bébé (feat. Musique pour bébé) [Berceuses instrumentales]
Macumba - Berceuse instrumentale - Musique pour endormir bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42832db1df274b4db95a5b39bfce782d6b2d141eb687943c41904cbc30bd732b. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11705973 — a six-check JSON result.
Les yeux revolver - Berceuse instrumentale - Musique pour endormir bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9a22eadb91a221905b52ba8e33139da9c6b9befb07d428ca041387186b2643e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11705974 — a six-check JSON result.
Les démons de minuit - Berceuse instrumentale - Musique pour endormir bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ed12d05afc4167862cee3ec8db9263337bc20b7decbd00fc2eaef8e000585a6. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11705975 — a six-check JSON result.
Femme libérée - Berceuse instrumentale - Musique pour endormir bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e934ab07edf7aace907771286a45db34793c5010a43346b473e4bf182ca07f5. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11705976 — a six-check JSON result.
Les sunlights des tropiques - Berceuse instrumentale - Musique pour endormir bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77c16734178460589092e7f73212d68fffe8ffd6e34f3f5d4c7756214d8a892c. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11705981 — a six-check JSON result.
Joe le taxi - Berceuse instrumentale - Musique pour endormir bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d1856960bc7ebf4b3c40c7eb61045c486427ab9075dd875e32b1753df67685. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11705982 — a six-check JSON result.
Tout doucement - Berceuse instrumentale - Musique pour endormir bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09736d4a10c1c24ca59e8fb42ceed348144dddb5200c8b9b32d7897149b09bd0. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T04:30:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11705985 — a six-check JSON result.
On écrit sur les murs - Berceuse instrumentale - Musique pour endormir bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6e9b89253a231c1d37528e3ca23770954dd6f31412115ad2d88e589c5f95ea0. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T04:55:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W11705986 — a six-check JSON result.
Musique pour bébé: Les tubes 2020 (Versions berceuses)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f2e5f9ed6c5f258f516698e258d7ddd39fdbf22012ee8d0943df4c57c211d60. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRDLP2000020 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58705bdf054ae13e03fb4a2e666f3c03d503289988ce8b4dfa17e7ca2e28f9be. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRDLP2000040 — a six-check JSON result.
Berceuses: Les grandes chansons françaises
Hymne à l'amour (Edith Piaf version berceuse)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa140dc48412ce04e0ec6ba8c5eb1b42e4d47b4dfb5eb4a6a0cf9e6bb6b950882. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRDLP2100110 — a six-check JSON result.
Les tubes des 80's versions berceuses, Vol. 2
Les Standards Du Jazz - Versions Berceuses
Les Grands Airs Classiques (Versions berceuses)