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 0x10c164c26b998d596f8a3403d8775f887a38d7603d9c167046e5cbd8e34a9fe1. 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/2629ea32-fa9c-41e0-ba1e-cc1252194ef9.json and https://artists.proofprofile.net/proofs/artist/2629ea32-fa9c-41e0-ba1e-cc1252194ef9.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Rain Sounds for Sleeping + Ocean Waves Loop (No Fade)
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 0x06a9912e2241250465280b24d66787a3b0c9ef3ab7694129dea581925d7863ad. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/DEPI82319819 — a six-check JSON result.
Rain Sounds for Sleep (Loopable, No Fade)
Forest Rain Sounds for Sleep (Loopable, No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12cc1160ad71e2c8ebcaa26091c2f251b819360940159a8976a7a75b600deb1d. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/DEPI82319870 — a six-check JSON result.
Seattle Rain & City Sounds White Noise (Loopable, No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ff06310058165dddb96bbda61a2de85555092e5cf91305e92102172d45d4ec8. 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/DEPI82320296 — a six-check JSON result.
Loud Fan Noise for Sleeping or Studying Loop (No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f45078cee6c4a3945854c357acc53b8067e1165ae17f0123608293931fb5064. 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/DEPI82323728 — a six-check JSON result.
Sleep Sounds Fan Noise Fall Asleep & Remain Sleeping with White Noise Loop (No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5c6e7a26ed88b63b93fdb819ae3d0f68b6341456d8b1d4afbeb08bac1f9d15. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), 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/DEPI82323735 — a six-check JSON result.
White Noise for Sleeping Super Soothing Space Sounds! Loop (No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b68622479e8f94c2c3c6082294116659cdd9d10912e8ee91d932e5610d67b44. 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/DEPI82323781 — a six-check JSON result.
White Noise for Babies All Night Sleep Sounds Soothe Crying, Colicky Infant Loop (No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f0ae6ef0dc2a1729b3e7d4fa32f6a342125731ade7f7aa4167b444926f0025. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/DEPI82324756 — a six-check JSON result.
White Noise Airplane Sleep, Study or Focus with Jet Cabin Sound Loop (No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76751b942c5be8d5df98faa47b830630c376f0984a82b806c3994780e733bb57. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/DEPI82324772 — a six-check JSON result.
Airplane White Noise for Deep Sleep Loop (No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e3a2bda05888c59dc96a88a8df29565b64492567dd2aea633f1bf290f76153d. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82324773 — a six-check JSON result.
Fan Sounds to Blow You Away! Fan White Noise for Sleeping Loop (No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa5868499e08f7f7f11ebf939557781e88872df4167ab5251fcb2713c107409. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82403585 — a six-check JSON result.
Baby White Noise Sleep Sounds (Loop, No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37223e0d18a26f43c2e3c8176d00cea863435f11fa84175df632407d18b066ee. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEPI82407363 — a six-check JSON result.
Airplane White Noise for Sleep (Loop, No Fade)
Sleep Sounds Rain No Thunder (Loop, No Fade)
Fan Sound White Noise for Sleep + Study (Loop, No Fade)
Happy Baby White Noise for Sleep (Loop, No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2c83b14471c030cf8a762fd5bd244ae11ac9fbacc6f71c3d1444314a811c7b1. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/DEPI82410848 — a six-check JSON result.
White Noise Sound for Sleep (Loop, No Fade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x389795d66a648d1f016079ee2dbeec9317d4324997369aee515226c4606a922d. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/DEPI82410953 — a six-check JSON result.
Rain + Bamboo Fountain Sleep Sounds (Loop, No Fade)
Studying White Noise for Homework or School (Loop, No Fade)
Vacuum Cleaner Sleep Sound for Babies (Loop, No Fade)
Sleep to Rain Sounds in the Woods (Loop, No Fade)
Rain + Ocean Sounds for Sleep (Loop, No Fade)
Sounds for Sleeping, Private Jet White Noise (Loop, No Fade)
Relaxing Airplane White Noise for Sleeping on Private Jet (Loop, No Fade)
Fan White Noise for Sleep & Relaxation Loop (No Fade)
White Noise for Sleeping Under Starry Sky (Loop, No Fade)
Baby Sleep Sound White Noise, Calm Crying, Soothe Colic (Loop, No Fade)
White Noise for Dogs, Helps Calm Anxiety, Barking, and Stress (Loop, No Fade)
Thunderstorm & Rain Sounds with Ocean Waves White Noise Loop (No Fade)
Rain Sounds for Sleeping, Relaxing Rain on Window White Noise Loop (No Fade)
Waterfall White Noise Sounds for Sleeping or Studying (Loop, No Fade)
White Noise Private Jet, Sleep or Study to Airplane Sound Loop (No Fade)
Fan Sound for Sleep, Study, or Relaxation, Amazing White Noise Sounds (Loop, No Fade)
Train & White Noise for Relaxation and Sleep (Loop, No Fade)