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 0xc15ed42366297839bae3f9591da16ef4f635e01234b46336d75c24e693ec9e65. 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/016d5c89-5a12-41c9-b1ea-996944ec621e.json and https://artists.proofprofile.net/proofs/artist/016d5c89-5a12-41c9-b1ea-996944ec621e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bumpin Bumpin (Adeptus Acid Dub Instrumental)
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 0x77ecfcca0d8f071551dc30e8a38f36314a85e6368df084a6d109b72447b8e3b2. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5jOZ3W3HwXjUhfaeoOo4Gp.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/5jOZ3W3HwXjUhfaeoOo4Gp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0e685eab86ccc84b58e27d8520747139ded067f5c0f48108c1bcf11a6aea631. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3jxH1kPRjkACEuvrIR2FG7.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/3jxH1kPRjkACEuvrIR2FG7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0464444a3520fc14a09ca5bf2b302fd45cf55ee48d83653a477610417984004. 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/65iwzb2ZhQ73FqqUVKYaUj.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/65iwzb2ZhQ73FqqUVKYaUj.
{"copyright_id":"0x2c03a46af013fdda4ccf8ab80b06053312809fd2e6e4300370bf3e3820895dad","isrc":"USSM11204392","name":"Ch00k Ch00k Tare (feat. Chippy Nonstop)","registered_at":"2026-06-10T03:21:19Z","spotify_id":"5Q42HtbN1fNRbRGkCW0z66","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c03a46af013fdda4ccf8ab80b06053312809fd2e6e4300370bf3e3820895dad. 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/5Q42HtbN1fNRbRGkCW0z66.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/5Q42HtbN1fNRbRGkCW0z66.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77ecfcca0d8f071551dc30e8a38f36314a85e6368df084a6d109b72447b8e3b2. 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/1ea97AUSazu2QZw9BnHJqK.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/1ea97AUSazu2QZw9BnHJqK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376b52fd53b638703f2d107980b61755bd798bce6de7dd136c6706173b9dbd72. 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/4KqLdsw4rLj8gbUmeZn2b2.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/4KqLdsw4rLj8gbUmeZn2b2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f9098fa2a53df88ec74f2d82eb3c8edfc0ad4185a486389ae304d95245f58b. 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/6gDBKJ69zXvz3JSqcHlKN4.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/6gDBKJ69zXvz3JSqcHlKN4.
{"copyright_id":"0xe03167f39e5ecc6504c7a8e08d6febab570bd178ab69c4a7b6dee73b13a432b9","isrc":"USSM11204395","name":"Like it or Love it (feat. Kid Cudi)","registered_at":"2026-06-10T14:20:40Z","spotify_id":"2u9S4dzTjZhQCWsNhHFVH7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe03167f39e5ecc6504c7a8e08d6febab570bd178ab69c4a7b6dee73b13a432b9. 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/2u9S4dzTjZhQCWsNhHFVH7.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/2u9S4dzTjZhQCWsNhHFVH7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed876b97aa118234bdfd383afe0142f968ae38feb009ffe35570744c0b149e03. 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/3l51S6GQZQ8OwZZ4JhBeRX.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/3l51S6GQZQ8OwZZ4JhBeRX.
{"copyright_id":"0x1edfe66d24b345d50945abc4eadb9718ac90f0fe27f927ea1ca8994679c6303b","isrc":"USSM11204397","name":"BFF (BESTFRIEND)","registered_at":"2026-06-17T20:47:02Z","spotify_id":"0GHPNpdMN8n8N6j0cnzZfd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1edfe66d24b345d50945abc4eadb9718ac90f0fe27f927ea1ca8994679c6303b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0GHPNpdMN8n8N6j0cnzZfd.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/0GHPNpdMN8n8N6j0cnzZfd.
{"copyright_id":"0x9e644fecf0e0ec9e5fa03195a34377ffdc0e1b89068ff403512dc38e5ce3599d","isrc":"USSM11204398","name":"Twerkin!!! (feat. Diplo & Sissy Nobby)","registered_at":"2026-06-10T16:43:15Z","spotify_id":"1yOGsdsEe9G8j6C7ZVexKg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e644fecf0e0ec9e5fa03195a34377ffdc0e1b89068ff403512dc38e5ce3599d. 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/1yOGsdsEe9G8j6C7ZVexKg.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/1yOGsdsEe9G8j6C7ZVexKg.
{"copyright_id":"0x48fd9fe57ec0a98188d4e6ccf0cdbe17bd58848e3ed6d78a39035ad5aeffd8d8","isrc":"USSM11201583","name":"Breakfast (Syrup) (feat. 2 Chainz)","registered_at":"2026-06-08T02:41:17Z","spotify_id":"6e6NwxSLyySncihB4WmoIX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48fd9fe57ec0a98188d4e6ccf0cdbe17bd58848e3ed6d78a39035ad5aeffd8d8. 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/6e6NwxSLyySncihB4WmoIX.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/6e6NwxSLyySncihB4WmoIX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0e685eab86ccc84b58e27d8520747139ded067f5c0f48108c1bcf11a6aea631. 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/5OVjZ7Cy7U2gVJX6eLqmFT.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/5OVjZ7Cy7U2gVJX6eLqmFT.
{"copyright_id":"0x3a873c48fd78b00fc84252a73cc495ae7a639e6bacc821661a42bf4ca6c9eae9","isrc":"USSM11204399","name":"The Ruler","registered_at":"2026-06-11T06:20:49Z","spotify_id":"5BGhv5LryiuIybjzSCCUIr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a873c48fd78b00fc84252a73cc495ae7a639e6bacc821661a42bf4ca6c9eae9. 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/5BGhv5LryiuIybjzSCCUIr.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/5BGhv5LryiuIybjzSCCUIr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b378d20432439968877321c486c770cc984d7e87dfa7b15ffe1598fe916d7e6. 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/7tbjcf1ZCtEyfP2BD7e5kg.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/7tbjcf1ZCtEyfP2BD7e5kg.
{"copyright_id":"0xeab7280b269db9ba5e66fd6e3fce7524a654eb61b15abbb186052e55ea2c447e","isrc":"USUYG1145836","name":"Bumpin Bumpin","registered_at":"2026-06-29T09:47:40Z","spotify_id":"7zTzm6fRuC3HjEhICuBQ0m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab7280b269db9ba5e66fd6e3fce7524a654eb61b15abbb186052e55ea2c447e. 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/7zTzm6fRuC3HjEhICuBQ0m.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/7zTzm6fRuC3HjEhICuBQ0m.
{"copyright_id":"0x0ec91ab08a31886e46b28d25e665cfcd73c4e0a8ef3395bd1a60dc9ed0dd90a4","isrc":"QZK6P1906539","name":"I'm Depressed Freestyle","registered_at":"2026-06-29T09:54:41Z","spotify_id":"7nWegxqYyxTUBPAgIVtUx0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ec91ab08a31886e46b28d25e665cfcd73c4e0a8ef3395bd1a60dc9ed0dd90a4. 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/7nWegxqYyxTUBPAgIVtUx0.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/7nWegxqYyxTUBPAgIVtUx0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf0095b542e6fbf438a4c7782949fe06decd9180a4a6c6a39381f714ce97ba89. 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/3nAT8VHqwh2mooBDMvOMlN.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/3nAT8VHqwh2mooBDMvOMlN.
Hip Hop 100 Hits - Urban rap & R n B anthems inc. Jay Z, A$ap Rocky, Wu-Tang Clan & Nas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77ecfcca0d8f071551dc30e8a38f36314a85e6368df084a6d109b72447b8e3b2. 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/1AuCsDjgp3WbKSY7p38uJ8.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/1AuCsDjgp3WbKSY7p38uJ8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98682ebc15b5e00e22e029700b88a1d95cafc56160a507a113788ee986ef13ce. 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/5QZUTQ0PwlC9reqi9EQd6D.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/5QZUTQ0PwlC9reqi9EQd6D.
{"copyright_id":"0x6d3508b0ef29e29967f846cfdb708bad5c19bd9787b673bba15dc99a9c99e500","isrc":"USUYG1322749","name":"Murder (feat. Kreayshawn)","registered_at":"2026-06-11T06:27:40Z","spotify_id":"66XYFDdWY85xqV86Taio7b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d3508b0ef29e29967f846cfdb708bad5c19bd9787b673bba15dc99a9c99e500. 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/66XYFDdWY85xqV86Taio7b.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/66XYFDdWY85xqV86Taio7b.
{"copyright_id":"0x1002ab2fdd4d1ae344416d913696d6e5b8ca4869324d5bf90a301c350551023b","isrc":"USASN2005227","name":"U Trippy Mane (feat. Kreayshawn)","registered_at":"2026-06-08T12:06:47Z","spotify_id":"5Uj3THPckYVwjyv8jICJUQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1002ab2fdd4d1ae344416d913696d6e5b8ca4869324d5bf90a301c350551023b. 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/5Uj3THPckYVwjyv8jICJUQ.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/5Uj3THPckYVwjyv8jICJUQ.
{"copyright_id":"0xd84dcf0904ad6c4e00b57bab93b21e6eec449dd571939d32ed7086b4f4f80fd1","isrc":"AUWA02301082","name":"SHADES ON (feat. Kreayshawn)","registered_at":"2026-06-05T22:01:49Z","spotify_id":"6fRwqLPSz2WlOiyoyHgwMp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84dcf0904ad6c4e00b57bab93b21e6eec449dd571939d32ed7086b4f4f80fd1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6fRwqLPSz2WlOiyoyHgwMp.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/6fRwqLPSz2WlOiyoyHgwMp.