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 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
Chansons pour Endormir les Bébés: Sons et Plus pour Bébé
Sons de la Nature: Mélodies des Profondeurs
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 0xf3a0918f2c804a413aaea93d4f773e59708c5d3ad34e7ebd0cfa352869690cd8. 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/GBWUL2516661.
Natur Schlafgeräusche: Träumen mit den flüsternden Bäumen
Geräusche des Weißen Rauschens & Klangtherapie: Ätherische Gelassenheit
Tiefschlaf-Musiksammlung: Ruhige Schlummerklanglandschaft
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 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.
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 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/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 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/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 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/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 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 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/ESA012525463.
Natur Schlafgeräusche: Harmonie der Schlaflieder der Erde
Musik zum Lernen und Arbeiten: Morgentau-Melodien
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