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 0x855a2314a3dff0023cacade1862372743f987d6349c9a8a7ae5c527223a7845a. 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/0ed35ef7-e14c-41ff-ad9f-c57764d7e095.json and https://artists.proofprofile.net/proofs/artist/0ed35ef7-e14c-41ff-ad9f-c57764d7e095.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Natur Schlafgeräusche: Ruhige Schlummersymphonie
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 0x4314470b682d8466f81bc2de1693e8cfd8fa865602e316d1a1a9ba5b65fe7e97. 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/GBWUL2519501.
Chansons pour Endormir les Bébés: Sons et Plus pour Bébé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb25e64b87e646e616c6b85d9aa6e8252a2017b8c0f2f6a354b29a4f264f91c15. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBWUL2519530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4d05dcac7bb5b5704d85f6218740790228e3c9a52e86d29c4238a4afa26dfd0. 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/GBWUL2519556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaff2115ef2f33792f3701777e61693cd151b3788315793b920f604481e204731. 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/GBWUL2519569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb21d4a3a72bdc126523668c7eb103b0cbc127315f4eddd3c67a47c4e5b74c67c. 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/GBWUL2519582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5d053196b923c23c4ac77823ddab09aa1519b49caf7e286f4093ebd8d6068a. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/GBWUL2519503.
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 0x96882c9c7bdd65edfe503555fba9169a9d2dcea72d925ef4d807021e2c760d33. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBWUL2519518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53fdf97fcb3a74b32de979c983c01f92b670fd310c6c58097c9ac82bf8a3afca. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/GBWUL2519524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x385915b1e5ac747246a606e6453803a1daf81d28a58718575e25c8bfd5f59328. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBWUL2519536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eeff4da0ba922ddc1090f771a7aa1fd8225be70cb78d67cf91a9fb3a15e82e4. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/GBWUL2519542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1142e7281a74c07cab0f0383b53380c59e4967925b9c0c5f606c32e221fab0e. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBWUL2519550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e3b6cfc8b7ed3281e269382cae8eb77184fd4a2a79ae5ebfe0dd55b19bf6fb. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBWUL2519602.
Sons de la Nature: Mélodies des Profondeurs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c87af27000002f53a157e235391c9f1dbb10b86f736d7f1e39e31d2d98a913d. 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/GBWUL2516591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a0918f2c804a413aaea93d4f773e59708c5d3ad34e7ebd0cfa352869690cd8. 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/GBWUL2516661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf089e978496b9f737c6d451c447242bb6a37e45119e12ded630bfb565f6ec0c4. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/GBWUL2516608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29b223b72babced869ff3b610bdb5be93ef7e25aabe83562861ba32c41781521. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBWUL2516652.
Natur Schlafgeräusche: Träumen mit den flüsternden Bäumen
Geräusche des Weißen Rauschens & Klangtherapie: Ätherische Gelassenheit
Tiefschlaf-Musiksammlung: Ruhige Schlummerklanglandschaft
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ad1865dc0f0c87d2e80ed5b61f2ffeafde3a64b7853deb768e788fc9cd30bd4. 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/GBWUL2516328.
Spa-Schlafmusik: Zen-Wiegenlieder für erholsame Nächte
Sons Naturels et Bruit : Berceau de Gouttes
Echoes of Tomorrow: Serene New Age Harmonies
Nature Sleep Sounds: Serene Slumber Symphony
Canciones para Dormir Bebes: Sonidos y más para bebé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x100be768099e601f7b59e7df8c3c6bdfafa6978f48aa0d74c1cbf0052bd40901. 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/GBRKQ2558385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79062e810a621e983468ed65392ebb8f78c705bf040e017ebfb3191396e7f169. 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/ESA012536956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2e1749e5050840a6e4178c48f879784fe60302b89cb931343dd6241e718ea84. 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/ESA012536961.
Sonidos de la Naturaleza: Melodías de las profundidades
Nature Sleep Sounds: Dreaming with the Whispering Trees
White Noise Sounds & Therapy: Ethereal Serenity
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f09d1b4084f74e93b6a90ae6b65d82baf49f77c4c54e806461d59fb7fe6156f. 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/ESA012536860.
Spa Sleep Music: Zen Lullabies for Restful Nights
Deep Sleep Music Collection: Serene Slumber Soundscape
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfddcc852a37330520b2fd09a2127613e75f11c292311fbd476afdc5e58f5bafc. 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/ESA012525382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a157abab149e23bfb4825ca9c4c7bd76ff68a293e6b523c7d055a1cff628b73. 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/ESA012525384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06cae0f03680e2e2cf6abba9713cfa15f035edcb87a51c15089c73d66018e95a. 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/ESA012525385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x284f748ddb14ac09d24b6ba32ef6532e1278afcac406d667f7b8af22ba194d1f. 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/ESA012525388.
Sonidos Naturales y Ruido: Cuna de gotas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee239265f853a524f38795ec76fd44707a705a857517de4a16c4b86166cb43fd. 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/GBRKQ2545411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f1b4f0385b25d1a7b820005acbfb81ef67e817f9c606f24bc92b054a54237b. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBRKQ2545352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e07902a911ef902d803f1bf294712364026843cc37177810c9f6ace499544c. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/GBRKQ2545378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa059a4290e247f1396ffe9d75b1eeab3ac9371983e26c672587f6355fab81827. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBRKQ2545401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae0f77a04e999e26083c2583fe4546769cc9bdfd967c6697521e55ee944f4aa1. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/GBRKQ2545441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b8194419cba695300ac612fca2d9fc5d92e2227c096045df2507de480fca13. 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/ESA012525461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb6ed1cb5665d75c9ccf4e670c6a44948ba45a0759da4ecf44bddaba9ef5ac0. 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/ESA012525463.
Natur Schlafgeräusche: Harmonie der Schlaflieder der Erde
Musik zum Lernen und Arbeiten: Morgentau-Melodien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df91868f1fcac7f51ddd8bc2538b7782bf9fb7dbd2e2a2a5afe3927b4e10c40. 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/QZ5FN2598023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc8374183ce5565b41819cf67455ad38300e593efeb4a32017da5f831587e4ff. 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/GBPS85467791.
Canciones para Dormir Bebes: Sueños de Cuna
Baby Sleep Songs: Dream with fat Raccoons
Sonidos de la Naturaleza: Melodías del bosque
Spa Sleep Music: Moonlit Slumber Serenade
White Noise Sounds & Therapy: inMelodic Serenity
Deep Sleep Music Collection: Moonlit Lullabies