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 0x537c1561e20e212225d9a4daeebd02508ca6c96c3ccaaa05141fd87cc593a278. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3c3346fd-4739-4b63-91f5-03187e541b31.json and https://artists.proofprofile.net/proofs/artist/3c3346fd-4739-4b63-91f5-03187e541b31.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x2be06169def9da636412609fcaae3dc1fb99415ee73d82ef712624f152207adf","isrc":"USJ3V1431074","name":"Relaxing Malibu Ocean Waves","registered_at":"2026-06-29T20:16:09Z","spotify_id":"5uVK5KqXI8DhuViDqmWomh","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2be06169def9da636412609fcaae3dc1fb99415ee73d82ef712624f152207adf. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5uVK5KqXI8DhuViDqmWomh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uVK5KqXI8DhuViDqmWomh.
{"copyright_id":"0x1a9d6457f1058213182ee7dc9be3148d04ddc4f2eeededa3dccfea25f1e83b07","isrc":"USJ3V1431075","name":"Splashing Sounds","registered_at":"2026-06-29T20:14:53Z","spotify_id":"7r6VhYwQBr2mnA7gYiEroo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a9d6457f1058213182ee7dc9be3148d04ddc4f2eeededa3dccfea25f1e83b07. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7r6VhYwQBr2mnA7gYiEroo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7r6VhYwQBr2mnA7gYiEroo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba86f2487568da973ba10d163332a8b2bd9190b0b2415c43732646d5ec0330e4. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/49tvMxK9GO89Dsm9ScGiOp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/49tvMxK9GO89Dsm9ScGiOp.
{"copyright_id":"0x663d34b49c16dc1cbdc55099596034a1e984124e8b689b082369bdd32bbc140e","isrc":"USJ3V1431080","name":"Precious Beach Sounds","registered_at":"2026-06-29T20:16:39Z","spotify_id":"4TKFKD5z4lN6BwRCTZeTGP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663d34b49c16dc1cbdc55099596034a1e984124e8b689b082369bdd32bbc140e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4TKFKD5z4lN6BwRCTZeTGP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4TKFKD5z4lN6BwRCTZeTGP.
Ocean Sounds to Help Babies Sleep Longer at Night
Ocean Sounds to Help Babies Sleep in Cots
Ocean Sounds for Sleep and Concentration
Ocean Sounds to Help Babies Sleep All Night
Calm Ocean Waves - Loopable with No Fade
Rolling Ocean Waves - Loopable with No Fade
Oceanic Calmness - Loopable with No Fade
Calming Ocean Sounds - Loopable with No Fade
Sounds of the Ocean - Loopable with No Fade
Ocean Waves for Sleep - Loopable with No Fade
Ambient Waves for Dreams - Loopable with No Fade
Waves For Dreaming - Loopable with No Fade
Overflow Stream Down the Gravel Driveway
Rumbling Lake Waves with the Tide Coming In
Very Busy Woodland Stream After the Rain
Undersea Healing: Bubble Therapy for Inner Calm
{"copyright_id":"0x542981120e829c8ca451f260a3f41e04d7ee929d9dafda90b829f9aafb65ab97","isrc":"DEXO12345087","name":"Underwater Bubbles Serenade","registered_at":"2026-06-27T10:19:45Z","spotify_id":"4FTExpyuSODLNrdjIhoGPK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x542981120e829c8ca451f260a3f41e04d7ee929d9dafda90b829f9aafb65ab97. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FTExpyuSODLNrdjIhoGPK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FTExpyuSODLNrdjIhoGPK.