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 0x33714eae7dbb8f9623dd1118ff0f3b1e3820dbcdd27ef128b9c7dae44a62896e. 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/f782a2fc-919b-47ce-84b9-f0a739348e1d.json and https://artists.proofprofile.net/proofs/artist/f782a2fc-919b-47ce-84b9-f0a739348e1d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x8c211995e9013f7cadc8b3395afa3223b67ce1ae1a749f6e8c2dfeb5e5ef84c5. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4101614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb30232b2eae823dddece45de56574256a1e6757156755fa937f272403de68e4. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/GBSMU4129317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e71cae0ca258c363cb0714b550d4694f71f856f3e118fc423f5e5545fd7eaba. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:24:51Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4129318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0018b1c812ee8ab3d69cf78fbb25bb6db1e9329b00a522d401b94c86a7e11835. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/GBSMU4129319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd5998e16a81c8f952bb75f6af94139f17dacc9d071e122c28087077a6a19d6a. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/GBSMU4129320.
Frying Pan Relaxing Noise for Concentration
White Noise for Sleep Collection: Background Noise for Sleeping
Hairdryer Medium White Noise: Loopable with No Fade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71834b77cff2942ceca72d8533d263fad0464245d7f1c7868db50923e79a7f26. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/GBSMU4142194.
Industrial Fan White Noise Sound: Loopable with No Fade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdabcb5cff00dd05de8309ca8187e82f241bedfab2155392f0d4a4442e8edbbf6. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/GBSMU4142202.
Gentle Morning Rain: White Noise for Sleeping to
Rain Sounds with Distant Siren and Morning Traffic
Rain Sounds for Sleeping and Relaxation: White Noise Rain Collection
Air Conditioning Unit White Noise for Sleep
Air Conditioning Unit with Fan Loopable with No Fade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb741691e7f133a64a59aed82a7c2bb415f41242d9c158869fdbfac600e926b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBSMU4283879.
Car Ride Sounds and Driving White Noise for Sleep
Rush Hour Motorway Driving with Windows Open and Air Conditioning On
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb08e195da7d75b19008cf9f992d8ed8651a76b80776d361b3b3c6a3f6da56db8. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/GBSMU4435519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x947d643e8c26f855955f10261d4c1603503922ca8e3b30a3f6795da930037a7d. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/GBSMU4435526.
Rush Hour Car Drive with the Windows Open
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1560083acf0908ee0fab2e2fc17a8afd80da0aee23c11117224da363e13c0860. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBSMU4435532.
Tumble Dryer and Washing Machine Sounds for Sleep
Washing Machine with Slight Rattle Inside
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e87e184a7009a5340cf5cdfb18128624714fde29aab17867039ae568566097. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBSMU4459107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd31bc87334b47a5700bf123995f4c6e53bd8a2b0282b2f57dba7a64936f03b5. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/GBSMU4459152.
Washer Dryer Clothes Swooshing Spinning Sounds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93c3a5bcf2a9031725a8d03352192e21f165a6ab3a174d2bdff6d7c8b02bc858. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/GBSMU4459156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212f92ee7c64000fb36947716da785e53ae86e0cb8f5fc631c613a73bba0a02e. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T15:30:07Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU4459158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc915c85f9497573d155cd718b86126ee90d913b6ff00c40591d99f6132a0514. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBSMU4459160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9749d56c2bbfe4901dc4a599b385c1c4176b0894358c3b7b8ffc835f73b110b3. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:55:34Z), 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/GBSMU4459161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3086a514009cf03ff2bff3091423bf93f97a0496ea11319ba37a3acef1bc905. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBSMU4459163.
Pure White Noise Collection for Unbroken Sleep
White Noise in the Bathroom Sounds Like This
White Noise Mix Playlist: Different Frequencies
Essential Tranquil Sleep Sounds Collection
Washing Machine Sounds for Sleep Collection
Nice White Noise Sleep Sounds Collection
Alleviate Sleep Deprivation: White Noise for the Sleep Deprived
Concentration Collection: Fall Asleep Gently
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3cf572a79825d58ef2b5fa0b1c90aaacb32117dd68f6d7a7a66985221b3946. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GBSMU4926772.
Ticking Clock and Other Relaxing Sleep Tracks
Ambient White Noise Collection for Naptime and Baby Sleep
White Noise Sleep Playlist: Sleep Mixtape
Static White Noise Calming Effect Sleep Sounds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a627efd4ec2f604a010ed8af5741adebdce4edefd8e2b703e4fc5910151bd21. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:30:04Z), 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/GBSMU5377333.
Sleep White Noise with Various Sounds and Recordings
White Noise Machine, ASMR and Hand Dryer Sound
Sleep Now: Sleep Sounds to Relax the Body and Mind
2020 Best: Sometimes You Have to to Reset with New Noise
2020 Best: When The Fan Creates Melodies For Your Regeneration And Chillout
Air Conditioners and Fans - Loopable and No Fade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b06f6052ea29a213753d157d17c81266b1495b0cef59f998328cfb0b62d9853. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T02:12:00Z), 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/QMHNS1312805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1876672bdb47300b1cfe9adb98e12bdfe0c35ff976baf9c8e335ce9337831ea5. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMHNS1312806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb724f562e061a53ebef8d36eb1a17f9da3381c94d05f8523fc862d40e570daa3. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T16:11:18Z), 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/QMHNS1312808.
Hair Dryer Salon Spa - Loopable Hair Dryers
White Noise Kitchen Sounds: inc. Washing Machine, Dishwasher and Microwave
White Noise: Quiet, Delicate, Gentle and Small Sounds
Rain Sounds: Gentle and Pure Rain Noises for Soothing Moments
Blanket of Tranquil Hush for Mental Noise Reduction
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd42927f476b090dad1e1e5bec1c7c958b3d581bdf7cf084d780a496fc0bec961. 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/QMHNS1315033.