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 0x286b574a7e8a99a76dab4199ec07b82501df9df95728926503d1e003f91c14eb. 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/e4f614a2-c5a4-427f-886f-308312bda3fd.json and https://artists.proofprofile.net/proofs/artist/e4f614a2-c5a4-427f-886f-308312bda3fd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rain: A collection of Rain Showers, Driving in the Rain, Thunder, Hiding Under a Tree, Rainforests, and More (Loopable Audio for Ambiance, Meditation, Insomnia and Restless Children)
{"copyright_id":"0x16716e8cee30e01f753ccc2fed2f44cb677997171cfcd60794bdc3403b10f682","isrc":"QMHNS1302231","name":"A Gentle Thunderstorm","registered_at":"2026-06-04T09:36:18Z","spotify_id":"1IGh7oA0ClbylSxrlbK8kK","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 0x16716e8cee30e01f753ccc2fed2f44cb677997171cfcd60794bdc3403b10f682. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1IGh7oA0ClbylSxrlbK8kK.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/1IGh7oA0ClbylSxrlbK8kK.
{"copyright_id":"0x64cb3d27199468022cd5f5d7559c67804da39c19de41a786cdefbc10540d73ae","isrc":"QMHNS1302232","name":"A Light Rain in the Forest","registered_at":"2026-06-09T14:59:46Z","spotify_id":"2jb0jrjo1SwqjxbQRYAMuh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64cb3d27199468022cd5f5d7559c67804da39c19de41a786cdefbc10540d73ae. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2jb0jrjo1SwqjxbQRYAMuh.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/2jb0jrjo1SwqjxbQRYAMuh.
{"copyright_id":"0xe0d5f9f90070cd775f7b72c609ada1078221a5bd6bfb33dd3bd766ab5bc7f621","isrc":"QMHNS1302233","name":"A Wide Open Storm in the Forest","registered_at":"2026-06-09T08:50:43Z","spotify_id":"7uRsBUk9jOjWSmlEFYQweV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d5f9f90070cd775f7b72c609ada1078221a5bd6bfb33dd3bd766ab5bc7f621. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7uRsBUk9jOjWSmlEFYQweV.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/7uRsBUk9jOjWSmlEFYQweV.
{"copyright_id":"0x794889f6596884294f13e1eca234e56fddaaa428d1172f4122bfc6f2ed750dc5","isrc":"QMHNS1302234","name":"An Angry Thunderstorm","registered_at":"2026-06-05T22:30:02Z","spotify_id":"4qhNutJERezAthJRs0O9Ta","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x794889f6596884294f13e1eca234e56fddaaa428d1172f4122bfc6f2ed750dc5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4qhNutJERezAthJRs0O9Ta.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/4qhNutJERezAthJRs0O9Ta.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3bcf803678390fcb4f70d66157325bcf8ee487ab6159373812d6f065e303574. 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/1YJ2OmvzgD6oG4BVtyK9NG.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/1YJ2OmvzgD6oG4BVtyK9NG.
{"copyright_id":"0x831f0cb99e450d03f685e5cb0fb7ca64c2a86034a0e5cbfd73769fca867bdbba","isrc":"QMHNS1302238","name":"Gentle Rain Fall","registered_at":"2026-06-08T12:53:19Z","spotify_id":"0nFStIlATZzFA7amRtvEwj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831f0cb99e450d03f685e5cb0fb7ca64c2a86034a0e5cbfd73769fca867bdbba. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0nFStIlATZzFA7amRtvEwj.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/0nFStIlATZzFA7amRtvEwj.
{"copyright_id":"0x872d0545f3125af4aa6f9b39fef93b4c9a9887a3590f0fe14abdc90c88ef26d8","isrc":"QMHNS1302239","name":"Heavier Rain Fall with Thunder","registered_at":"2026-06-07T14:16:34Z","spotify_id":"3REwmpirtIlKmqmH9mG6Ie","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x872d0545f3125af4aa6f9b39fef93b4c9a9887a3590f0fe14abdc90c88ef26d8. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3REwmpirtIlKmqmH9mG6Ie.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/3REwmpirtIlKmqmH9mG6Ie.
{"copyright_id":"0xf90238d24f1d704f59239633a79347752bbaf9c1ca4f0929feef4f935a339ad2","isrc":"QMHNS1302240","name":"Hiding Under the Tree in the Rain","registered_at":"2026-06-05T22:27:55Z","spotify_id":"4dJsBBVxJUEWqrsYI8YfVf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90238d24f1d704f59239633a79347752bbaf9c1ca4f0929feef4f935a339ad2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4dJsBBVxJUEWqrsYI8YfVf.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/4dJsBBVxJUEWqrsYI8YfVf.
Listening to a Full Rain from the Pavilion
{"copyright_id":"0xaf9adc739b60370fabb578bf3ce5ba2528111fb4b731d5c09970c97a2018ab04","isrc":"QMHNS1302241","name":"Listening to a Full Rain from the Pavilion","registered_at":"2026-06-23T09:04:16Z","spotify_id":"74VeOx5mogsXxmp6efw8nq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf9adc739b60370fabb578bf3ce5ba2528111fb4b731d5c09970c97a2018ab04. 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/74VeOx5mogsXxmp6efw8nq.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/74VeOx5mogsXxmp6efw8nq.
{"copyright_id":"0xa8f399afbfe0397cf21e573f66acc68275d1f7e2fc1b83258c53e42feb71424a","isrc":"QMHNS1302242","name":"Pouring Rain","registered_at":"2026-06-04T14:21:09Z","spotify_id":"6HMSnRW8Htfd3YxdNgUF73","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8f399afbfe0397cf21e573f66acc68275d1f7e2fc1b83258c53e42feb71424a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6HMSnRW8Htfd3YxdNgUF73.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/6HMSnRW8Htfd3YxdNgUF73.
{"copyright_id":"0x7841d9e5ea0326eea8cfbc7ef22523d90af3b6b98011ef3d9e3a7e14a00d80c6","isrc":"QMHNS1302244","name":"Rain Drops Dancing on a Plastic Roof","registered_at":"2026-06-08T03:51:39Z","spotify_id":"0F2qJB8Ca77ymbJaBbyZgI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7841d9e5ea0326eea8cfbc7ef22523d90af3b6b98011ef3d9e3a7e14a00d80c6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0F2qJB8Ca77ymbJaBbyZgI.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/0F2qJB8Ca77ymbJaBbyZgI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47f70e8a4d270a885697f6dad52a2822509dca7431fa022224ca89814346589d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3m3Uyx68yqmBzlTAl0vsar.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/3m3Uyx68yqmBzlTAl0vsar.
{"copyright_id":"0xf1b6bbe0215bf3897febe07a97815697a09b43b7ed94c2bea95168178277a596","isrc":"QMHNS1302246","name":"Rain Drops Dancing on a Tin Roof","registered_at":"2026-06-05T22:27:33Z","spotify_id":"5fCvX9YjXAjObagjL4K0lU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1b6bbe0215bf3897febe07a97815697a09b43b7ed94c2bea95168178277a596. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5fCvX9YjXAjObagjL4K0lU.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/5fCvX9YjXAjObagjL4K0lU.
{"copyright_id":"0x2316f1cc0da359a97652a73ede7890bfeee97d204ed57d9d0e523a42a27e31b7","isrc":"QMHNS1302247","name":"Rain Drops Dancing on the Car Hood","registered_at":"2026-06-18T17:38:10Z","spotify_id":"33pht7icg4o2ebc4KRnsRt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2316f1cc0da359a97652a73ede7890bfeee97d204ed57d9d0e523a42a27e31b7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/33pht7icg4o2ebc4KRnsRt.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/33pht7icg4o2ebc4KRnsRt.
Rain Drops Dancing on the Car Windshield
{"copyright_id":"0x06f5745a99b9eb22bee12404f1518f313b244581f55cd5231f72c02b935aa089","isrc":"QMHNS1302248","name":"Rain Drops Dancing on the Car Windshield","registered_at":"2026-06-07T14:18:48Z","spotify_id":"47uJ63CcbQPuckOXIHXFay","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f5745a99b9eb22bee12404f1518f313b244581f55cd5231f72c02b935aa089. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/47uJ63CcbQPuckOXIHXFay.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/47uJ63CcbQPuckOXIHXFay.
Sharp Spring Downpour and Thunder shower
{"copyright_id":"0x36a51c59b68fe39c0179cbadd9c62e481aa76943dd4a973442673852f9e600a4","isrc":"QMHNS1302251","name":"Sharp Spring Downpour and Thunder shower","registered_at":"2026-06-25T09:01:33Z","spotify_id":"4IjtnDFMOFBZAJlgh7FHll","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a51c59b68fe39c0179cbadd9c62e481aa76943dd4a973442673852f9e600a4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4IjtnDFMOFBZAJlgh7FHll.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/4IjtnDFMOFBZAJlgh7FHll.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f7c79b303fd0e7045b58e3780ea5a961891c80861dd74c9ea79da65a73d70d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Xc3YGE3kPgljwN1c9v64c.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/3Xc3YGE3kPgljwN1c9v64c.
{"copyright_id":"0x805a64e6fd16797ef52d65ecd56a62e8d156b2af84ed753916a1fd5e900b8818","isrc":"QMHNS1302254","name":"The Clouds Open Wide","registered_at":"2026-06-27T06:08:12Z","spotify_id":"5fXbQxlOecN5LKQubefWDX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x805a64e6fd16797ef52d65ecd56a62e8d156b2af84ed753916a1fd5e900b8818. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5fXbQxlOecN5LKQubefWDX.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/5fXbQxlOecN5LKQubefWDX.
{"copyright_id":"0xe32302d9a56c3ee19088fddf603ca5cc8ba1c06f5af61d0c944283ab7ced479a","isrc":"QMHNS1302255","name":"The Early Morning Rain","registered_at":"2026-06-05T09:02:39Z","spotify_id":"3WjcRyEw6Kse8NJsInjB3l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe32302d9a56c3ee19088fddf603ca5cc8ba1c06f5af61d0c944283ab7ced479a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3WjcRyEw6Kse8NJsInjB3l.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/3WjcRyEw6Kse8NJsInjB3l.
{"copyright_id":"0x7c3a52d374cf89eeab2d6dc9a3a5c93e0b85350a893bbd27b8b64fa7b219b996","isrc":"QMHNS1302256","name":"The Patter of Rain on the Window Ledge","registered_at":"2026-06-19T13:11:33Z","spotify_id":"1CrQW5rtQwkTHFLKUltDF1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c3a52d374cf89eeab2d6dc9a3a5c93e0b85350a893bbd27b8b64fa7b219b996. 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/1CrQW5rtQwkTHFLKUltDF1.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/1CrQW5rtQwkTHFLKUltDF1.
{"copyright_id":"0x2b535a6deb985e464237bd7aa344aff484995f0f944e30c40fb03ddb521497f2","isrc":"QMHNS1302257","name":"Thunderstorm in the Backyard","registered_at":"2026-06-27T05:59:21Z","spotify_id":"7z6C2iRLSCm0PtgHp0DCbJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b535a6deb985e464237bd7aa344aff484995f0f944e30c40fb03ddb521497f2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7z6C2iRLSCm0PtgHp0DCbJ.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/7z6C2iRLSCm0PtgHp0DCbJ.
Summer ambiance, Cicadas and Piano in the Background
Three Minutes Fireplace Background Sound
Flowing Waters and Cicadas during Summer Time