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 0x4a30489f740f5d3eb28835fbf7e08b199fc0f53645e4adc55dfdae7d4876fc98. 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/1b7390ba-290a-4243-a354-10535aa05e74.json and https://artists.proofprofile.net/proofs/artist/1b7390ba-290a-4243-a354-10535aa05e74.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Train Ambience (Relaxing Train with Rain Sounds)
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 0x01b250dc6ef304bd0deea2f20214444c4284d45f40980eb29bc32fb996277533. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/USHM22183369.
Whispering Water, Japanese Onsen Ambience
Gentle Rain with Thunder and Fireplace Ambience
Indoor Rain Sounds, Thunderstorm and Fireplace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cadd0445bce2c499624ca1b8931a7762ffcf90b7eec058de65da5f289cbabe9. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22269962.
Cozy Cabin with Rain Sounds and Fireplace
Winter Hut Relaxing Blizzard and Snowstorm Sounds
Heavy Thunderstorm and Rain Sounds for Sleep
Nature Sounds at Night (Gazebo Ambience)
Rain, Thunderstorm and Crackling Fireplace (Arcane Study Ambience)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb8b4f37ca5ef794c2fc469c4b588378946599a77353210f56005ef8f05c9ca. 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/USHM22286222.
Relaxing Rain with Fireplace (Rustic Nook)
Heavy Rain and Thunder Sounds (Manor House Ambience)
Rain Sounds with Warm Fireplace (Cozy Room)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x228fedc475ba7d51e6006a74f764f92b6882cd90e1554d4c2f98640fdf54fb1d. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T12:33:53Z), 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/USHM22286287.
Cozy Room Ambience with Gentle Rain Sounds
Gentle Rain Sounds with Thunderstorm (Secret Hideout)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9441a0efe62f5f909069631eb373224c70d1098e34217cd351769c1bee54e638. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22286277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x415268319477b97ff10a0bb69131c12c4d3623642199299312d684b8688f10d9. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T00:01:46Z), 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/USHM22286285.
Rain, Thunder and Fireplace (Rustic Caravan Ambience)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47512025c6b7e8aa13ce7590d8827c74351cf20fa58b896a667abb809b104a56. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/USHM82265169.
Rain and Thunderstorm (Cozy Medieval Room)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a58d5e0518c993ac074099eb66f05f27853bf1c147f6b989a87d705edb976dd. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USHM82280979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf98a8e3854f8e200a776797db596d8404369be73e349927591982a1cb0c3d77. 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/USHM82280982.
Relaxing Blizzard and Snowstorm (Winter Cabin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2459f1118fe1868ccbdb5da7208b83da7323e839b955b7a61b4aee3699c55ef2. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM92266634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6dd4aba33749cfd93ce8aee92db804f10cb2d500243bda0983beb0cd5ec8112. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM92266646.
Light Rain Sound (Antique Shop Ambience)
Bird Life and Creek Sounds for Relaxation
Relaxing Bird Sounds with Fireplace (Springtime Nook)
Sounds of Rain and Thunder for Rest (Rainy Treehouse)
Rain and Thunder Sounds with Warm Fireplace (Old Book Shop Ambience)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b67e1598db56d327064826312cba2ad08d99effa87ccfc696600848e600bfa0. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), 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/USL4R2211885.
Christmas Cabin Ambience With Howling Wind and Fireplace Sounds
Relaxing Ocean Sounds (Beach House Ambience)
Relaxing Rain Sounds for Studying, Sleeping and Relaxation
Snowstorm, Howling Wind and Fireplace Sounds (Winter Cave Ambience)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd0ab9d129559b744df90e2cb65f803413663b7222199de42428252096bff56c. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/USCGH2302551.
Relaxing Winter Snowstorm Sounds (Winter Treehouse Ambience)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6428e715dc692e4323da7787bff38f51cf048c6292f0522528a7824e229d771d. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/USCGH2302559.
Blizzard with Howling Wind and Fireplace Indoors (Winter Nook)
Rain and Thunder Halloween Ambience with Spooky Sounds at Night
Soft Rain Sounds on Leaves (Autumn Porch Ambience)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7360732c5ae2277740dfadfe47254bc0ba14ec40b8c07b5af79a0206597e1e8. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T07:27:09Z), 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/USCGH2329192.
Relaxing Gentle Rain Sounds at Night for Sleep and Relaxation (Zen Garden Ambience)
Rain Sounds and Crackling Fireplace for Sleep, Study and Relaxation (Baroque Room)
Library Study Ambience With Gentle Rain and Thunder Sounds
Houseboat Ambience - Gentle Rain Sounds Indoors for Sleep, Studying and Relaxation
Relaxing Rain & Thunder Sounds at the Lighthouse
Rainy Night with Fireplace and Rain Sounds for Relaxation (Bookstore Retreat)
Cozy Cabin Porch Ambience with Soft Rain and Thunder Sounds for Relaxation
Rain and Thunderstorm Sounds with Fireplace Ambience to Fall Asleep, Relax, Study, Meditation
Calming Rain Sounds for Deep Relaxation and Sleep
Calming Nature Sounds, Gentle River & Birdsong for Relaxation
Rain on Window with Thunder Sounds for Deep Sleep, Study, And Relaxation
Fall Asleep to Rain and Thunder Sound at Night
Relaxing Ocean Waves, Crickets & Fireplace Sounds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1645b57cd4ad4250a0dc5215c2542c6c4ff445e72f62d100c5900fe45c78c1ab. Chain 2 (Bitcoin): anchored in block 958703 (2026-07-19T08:36:12Z), 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/USMH92300249.
Relaxing Waterfall Sounds, Bird Life and Nature Ambience
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8a5745adc82f7e2e6bf152278143a32d23716febe1aa6217c1a68da68241b0. Chain 2 (Bitcoin): anchored in block 958800 (2026-07-20T00:52:19Z), 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/USMH92300250.
Healing Rain and Thunder (Night in the Forgotten Temple)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17b14b8bdfb5b863acfb549f2aa3e60b243f8f99b07f2d4427aa03934fbd3956. 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/USL4Q2311749.
Wooden Cabin by the Lake with Campfire, Lake Waves and Relaxing Nature Sounds
Heavy Rain and Wind Sounds for Better Sleep and Relaxation
Cozy Ambience with Relaxing Rain Sounds & Crackling Fireplace
Relaxing Autumn Rainfall on Window with Fireplace
Rain Sounds and Distant Thunder White Noise for Sleep
Cozy Winter Porch Wind and Fireplace Sounds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1580a5b185f5a85f52a79f376e6e4003abdfe961f44805df5d23a03047eaaa79. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/USX9P2358753.
Snowstorm & Wind Sounds For Sleeping with Fireplace
Winter Village - Sounds of a Snowstorm with Howling Wind and Falling Snow
Soothing Rain Sounds for Relaxation, Focus and Deep Sleep
Instantly Fall Asleep With Rain Sounds At Night in a Rustic Cabin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1655a6381a92eeea86e6c6fb25cb3d092e1b01fa969beece936b55e11e33a64a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH2465484.
Reehouse in the Deep Forest with Rain Sounds and Relaxing Nature
Campfire Ambience in the Forest at Night
Nighttime Garden Dome Ambience with Calming Nature Sounds
Rain in the Forest Porch Ambience for Relaxation
Secret Backyard Ambience with Nature Sounds at Night
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17b91219c0b247c681893a328bd603d544a75d21b790b4ea69d6b7fe2dc02de4. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22400754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x153d9983d1ebbc399cb99d59bfb439ca6568588e004bceac6ab6bc0db22890f2. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/QZYXP2325568.