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 0xf7599dedf4b9dad1fd2fb7fd35a660f014264eebb82d11a6ee86d508b9136739. 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/df9dfcf7-cb6e-457a-a594-b2d088ad4496.json and https://artists.proofprofile.net/proofs/artist/df9dfcf7-cb6e-457a-a594-b2d088ad4496.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Use Me - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x4df0d4c027778d5b0f8ad2056c1a44f5e700e7890100fc9529606f893b698b4b","isrc":"USSM17300305","name":"Use Me - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-07T16:54:48Z","spotify_id":"2pAsta8dSDuz0AtMfxGcj5","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 0x4df0d4c027778d5b0f8ad2056c1a44f5e700e7890100fc9529606f893b698b4b. 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/2pAsta8dSDuz0AtMfxGcj5.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/2pAsta8dSDuz0AtMfxGcj5.
Friend of Mine - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0xe0d4a1b93cc659e4595ed61a2c8dd0914d4d69d3646a7d9ff3fa4b38cc3bf380","isrc":"USSM17300306","name":"Friend of Mine - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-07T04:55:03Z","spotify_id":"1Mnc4e18oDcELB8NkoMWbq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d4a1b93cc659e4595ed61a2c8dd0914d4d69d3646a7d9ff3fa4b38cc3bf380. 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/1Mnc4e18oDcELB8NkoMWbq.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/1Mnc4e18oDcELB8NkoMWbq.
Ain't No Sunshine - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x9e81b965d0766a70a3ef584059eac351011827eb36e6a2d4cadeab34c681f090","isrc":"USSM17300307","name":"Ain't No Sunshine - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-06T14:25:32Z","spotify_id":"5gEbHse5x6o11g2Tef4AbR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e81b965d0766a70a3ef584059eac351011827eb36e6a2d4cadeab34c681f090. 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/5gEbHse5x6o11g2Tef4AbR.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/5gEbHse5x6o11g2Tef4AbR.
Grandma's Hands - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x926b08aa3d33fe2d91f9202fc37eebb67c30d1235f158526d12d907f0b8a2d06","isrc":"USSM17300308","name":"Grandma's Hands - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-09T12:59:27Z","spotify_id":"69E3cx8BoUMsJUr8ANe98U","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x926b08aa3d33fe2d91f9202fc37eebb67c30d1235f158526d12d907f0b8a2d06. 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/69E3cx8BoUMsJUr8ANe98U.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/69E3cx8BoUMsJUr8ANe98U.
World Keeps Going Around - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0xd4aff00a3d9c562cb80bad6b49ca13508dcc34e2f88c50dbbddc91d5202981fe","isrc":"USSM17300309","name":"World Keeps Going Around - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-06T07:32:58Z","spotify_id":"3wrplbWL52Ow8bqSua7ACb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4aff00a3d9c562cb80bad6b49ca13508dcc34e2f88c50dbbddc91d5202981fe. 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/3wrplbWL52Ow8bqSua7ACb.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/3wrplbWL52Ow8bqSua7ACb.
Let Me in Your Life - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x41bbbf8bd98f1d2018c3e10786ede73dddc6875d1be70cbb56ba227479876e8a","isrc":"USSM17300310","name":"Let Me in Your Life - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-11T00:38:30Z","spotify_id":"36Y9Wx0ET3B42SzUrK3Dia","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41bbbf8bd98f1d2018c3e10786ede73dddc6875d1be70cbb56ba227479876e8a. 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/36Y9Wx0ET3B42SzUrK3Dia.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/36Y9Wx0ET3B42SzUrK3Dia.
Better off Dead - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x5bf500348f173084200458b116a6a75b85d1831cfea261f7c8c5e513d0ea1465","isrc":"USSM17300311","name":"Better off Dead - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-09T22:56:38Z","spotify_id":"36DN9Xm8kWHgjz3YmDFWq2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bf500348f173084200458b116a6a75b85d1831cfea261f7c8c5e513d0ea1465. 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/36DN9Xm8kWHgjz3YmDFWq2.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/36DN9Xm8kWHgjz3YmDFWq2.
For My Friend - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x54680912b0fcb9dea4789d4745ff9e5f5162f80542c0f7bca380988e59e40ecb","isrc":"USSM17300312","name":"For My Friend - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-08T08:51:30Z","spotify_id":"2p0XzbocmlYuQVc7Ic1Muh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54680912b0fcb9dea4789d4745ff9e5f5162f80542c0f7bca380988e59e40ecb. 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/2p0XzbocmlYuQVc7Ic1Muh.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/2p0XzbocmlYuQVc7Ic1Muh.
I Can't Write Left-Handed - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x5a3c0f240ca470ddc3f8379165dfe3a6f3d1402f3ec0d852f5be7729a0f73ad5","isrc":"USSM17300313","name":"I Can't Write Left-Handed - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-05T14:43:17Z","spotify_id":"4u5caeri2MC9V32n9OBuZT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a3c0f240ca470ddc3f8379165dfe3a6f3d1402f3ec0d852f5be7729a0f73ad5. 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/4u5caeri2MC9V32n9OBuZT.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/4u5caeri2MC9V32n9OBuZT.
Lean on Me - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0xd01a380501bf86a10bfbe1b1e31e6272a9e070ec72dc1a4606af95c2d8175d6b","isrc":"USSM17300314","name":"Lean on Me - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-08T17:58:22Z","spotify_id":"6HM7ppJ2G0mRzQYxkw76Zr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01a380501bf86a10bfbe1b1e31e6272a9e070ec72dc1a4606af95c2d8175d6b. 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/6HM7ppJ2G0mRzQYxkw76Zr.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/6HM7ppJ2G0mRzQYxkw76Zr.
Lonely Town, Lonely Street - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0xd22e1a3c14f977215eebe864d5126e689a1bd3b0d2a51e51e680f8cb9322cf2e","isrc":"USSM17300315","name":"Lonely Town, Lonely Street - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-10T10:57:40Z","spotify_id":"2aXtl1HosMljHVPhA8cEf9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd22e1a3c14f977215eebe864d5126e689a1bd3b0d2a51e51e680f8cb9322cf2e. 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/2aXtl1HosMljHVPhA8cEf9.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/2aXtl1HosMljHVPhA8cEf9.
Hope She'll Be Happier - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x135470ef331199d420986539384beee6a45eba5e1bc0ec5d941a50eb154e894c","isrc":"USSM17300316","name":"Hope She'll Be Happier - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-11T00:39:16Z","spotify_id":"6rcwnfN5RnAqolVvZxHCxi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x135470ef331199d420986539384beee6a45eba5e1bc0ec5d941a50eb154e894c. 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/6rcwnfN5RnAqolVvZxHCxi.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/6rcwnfN5RnAqolVvZxHCxi.
Let Us Love - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x52265c54e7b33d671babd78534eb05c0a4094460d56ffac685af7a3ac539f11d","isrc":"USSM17300317","name":"Let Us Love - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-18T12:30:07Z","spotify_id":"1ng0RBlhyonNTb9tIR7ocr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52265c54e7b33d671babd78534eb05c0a4094460d56ffac685af7a3ac539f11d. 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/1ng0RBlhyonNTb9tIR7ocr.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/1ng0RBlhyonNTb9tIR7ocr.
Medley: Harlem / Cold Baloney - Live at Carnegie Hall, New York, NY - October 1972
{"copyright_id":"0x7fc4ebd814619d1f3833349f14e99967ed6d8984e910e1ef08f5405e494eec55","isrc":"USSM17300318","name":"Medley: Harlem / Cold Baloney - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-11T22:56:39Z","spotify_id":"3ROP3Z7Ed8yD4NjnajlLi0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc4ebd814619d1f3833349f14e99967ed6d8984e910e1ef08f5405e494eec55. 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/3ROP3Z7Ed8yD4NjnajlLi0.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/3ROP3Z7Ed8yD4NjnajlLi0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d96e47845b3f2314528dd5b9ec6bcf1c69566659a6651f59a840dac7849a82b. 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/4sUnHlLidm7qtPCLSbUb89.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/4sUnHlLidm7qtPCLSbUb89.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ecab25d02dbe7cb708962659401262acf6f61c4cefb16e2a78601b7fb928746. 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/2up05wXBxSb8IqSxqNweR6.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/2up05wXBxSb8IqSxqNweR6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b53f4ad99654bcd650aa25a295532d520a49967583f4731a9c0ab3c54525bc. 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/4JdoXoR61N8I3arzCAC1OA.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/4JdoXoR61N8I3arzCAC1OA.
{"copyright_id":"0x4c269f7e01c00c4437281495d76ada944409a1e21cd76ae784df64e7f8a2ffec","isrc":"USSM10016902","name":"The Best You Can","registered_at":"2026-06-21T19:13:46Z","spotify_id":"4zhDBHoQgxCZpAtVjeimLH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c269f7e01c00c4437281495d76ada944409a1e21cd76ae784df64e7f8a2ffec. 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/4zhDBHoQgxCZpAtVjeimLH.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/4zhDBHoQgxCZpAtVjeimLH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbf58b75fc6446cfd21536ae1a11ac83c172d5fafd48cd6e14151ae9f6eded56. 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/04idMwqFNgH4ZwkQn9EG0f.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/04idMwqFNgH4ZwkQn9EG0f.
{"copyright_id":"0xa5a0ff2fbb72dbe82583cc2cd9126e1d984b450e2ed99001f1df4126b15b3520","isrc":"USSM17500293","name":"Hello Like Before","registered_at":"2026-06-08T08:23:51Z","spotify_id":"1cjwmz8usNrrtkNCbzN2sS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a0ff2fbb72dbe82583cc2cd9126e1d984b450e2ed99001f1df4126b15b3520. 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/1cjwmz8usNrrtkNCbzN2sS.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/1cjwmz8usNrrtkNCbzN2sS.
{"copyright_id":"0x2bcc3c5fe15e5db02ea13e458ad882a55a3d687f6d008dead255c0c35cec6263","isrc":"USSM10000373","name":"Grandma's Hands","registered_at":"2026-06-09T22:42:13Z","spotify_id":"7DnZAXvl2WAPst2UprcCS7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bcc3c5fe15e5db02ea13e458ad882a55a3d687f6d008dead255c0c35cec6263. 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/7DnZAXvl2WAPst2UprcCS7.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/7DnZAXvl2WAPst2UprcCS7.
{"copyright_id":"0x1c2ac16236bedddb2fce59c7336d03a9122d9cdd8a07e67b9f015c426a25ae2b","isrc":"USSM10000366","name":"I Wish You Well","registered_at":"2026-06-21T14:53:46Z","spotify_id":"4p3UUiNMsOwQSWX1tKYw5Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c2ac16236bedddb2fce59c7336d03a9122d9cdd8a07e67b9f015c426a25ae2b. 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/4p3UUiNMsOwQSWX1tKYw5Z.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/4p3UUiNMsOwQSWX1tKYw5Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c0caf438d85773525f7d5d4103490c7329faf03155816a62ca1cd638d8fe943. 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/6NT1YdR1BmXxaO0JiGPYqc.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/6NT1YdR1BmXxaO0JiGPYqc.
{"copyright_id":"0x4070dcc3e658f2da959ea191c024bf7f33e58828482f7dee27f6f3e28fd0852d","isrc":"USSM10804957","name":"Don't You Want to Stay?","registered_at":"2026-06-19T20:53:41Z","spotify_id":"6Uhx0EMpNhiq3TWZu9mbcb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4070dcc3e658f2da959ea191c024bf7f33e58828482f7dee27f6f3e28fd0852d. 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/6Uhx0EMpNhiq3TWZu9mbcb.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/6Uhx0EMpNhiq3TWZu9mbcb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78566dbfcb3892b2d072245bb331485efe66c79bd9693a513c70999f2370322c. 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/2XabqEJjRJf7WOlwWHiRNx.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/2XabqEJjRJf7WOlwWHiRNx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7faf1204989d9250633b48955bc0197aedb06352a1a72a676c2a90bc769496b. 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/55JvCARDiZyyEZoyMaSToa.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/55JvCARDiZyyEZoyMaSToa.
{"copyright_id":"0x572e2f3e6f79b6335167d948af5d2399b802a1e6cd4e55e12aecaac06a05a792","isrc":"USSM10010517","name":"Lonely Town, Lonely Street","registered_at":"2026-06-11T00:22:06Z","spotify_id":"4rmXf8FK2hTmKLMEcJ0hfX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x572e2f3e6f79b6335167d948af5d2399b802a1e6cd4e55e12aecaac06a05a792. 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/4rmXf8FK2hTmKLMEcJ0hfX.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/4rmXf8FK2hTmKLMEcJ0hfX.
{"copyright_id":"0xac94a971bab5f0860a2c1fee10085258205911d1892c8af03cc038dfa0f54d5c","isrc":"USSM10003120","name":"My Imagination","registered_at":"2026-06-22T14:51:12Z","spotify_id":"3RZyncVzX9PujEI0i2qkOf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac94a971bab5f0860a2c1fee10085258205911d1892c8af03cc038dfa0f54d5c. 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/3RZyncVzX9PujEI0i2qkOf.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/3RZyncVzX9PujEI0i2qkOf.
{"copyright_id":"0x5f82de78f38e09a8e46ec31df087fb45e6a0c6dac1401aa71c4da38b8a2d159f","isrc":"USMC18723643","name":"Soul Shadows - Edit","registered_at":"2026-06-04T14:42:09Z","spotify_id":"1gSP2PYlWu3429ySMUjc8s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f82de78f38e09a8e46ec31df087fb45e6a0c6dac1401aa71c4da38b8a2d159f. 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/1gSP2PYlWu3429ySMUjc8s.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/1gSP2PYlWu3429ySMUjc8s.
{"copyright_id":"0x6ee85d22583c153cd70d4eb9f60e560fb42c3c392d9dc8fec6d469a89a78fd8b","isrc":"USSM10207844","name":"Lovely Day","registered_at":"2026-06-02T18:44:32Z","spotify_id":"1QQRBPMzXbL4z26mnIvgZD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ee85d22583c153cd70d4eb9f60e560fb42c3c392d9dc8fec6d469a89a78fd8b. 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/1QQRBPMzXbL4z26mnIvgZD.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/1QQRBPMzXbL4z26mnIvgZD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x197063d15217344cb8367777d85ea011a3f2fdb4a96bea39a9439795407ed3bc. 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/72ZEC64beql6HWPkxUsWAv.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/72ZEC64beql6HWPkxUsWAv.
{"copyright_id":"0x27485936e011af5db9e198e95bd63700660ff4cced1610f7ef6c08d2ef61ee53","isrc":"USSM10000371","name":"Who Is He (And What Is He to You)?","registered_at":"2026-06-07T23:25:41Z","spotify_id":"56bx5irgPZlafNlpDpcgxr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27485936e011af5db9e198e95bd63700660ff4cced1610f7ef6c08d2ef61ee53. 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/56bx5irgPZlafNlpDpcgxr.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/56bx5irgPZlafNlpDpcgxr.
{"copyright_id":"0xf8abe027ba023824e4f3a8fcbce00f6931dc898475d436341dbee433ebdc1343","isrc":"USSM10207845","name":"I Want to Spend the Night","registered_at":"2026-06-09T12:46:22Z","spotify_id":"4tp2ROKdqkHlNbwx4qA2m9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8abe027ba023824e4f3a8fcbce00f6931dc898475d436341dbee433ebdc1343. 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/4tp2ROKdqkHlNbwx4qA2m9.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/4tp2ROKdqkHlNbwx4qA2m9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a6d78d8aa12cf2d01fc6436ec20eec236f7c01454cf3f625a128b0f28cd1a4. 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/1k2ybm1oz7rVPchTKCgMMz.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/1k2ybm1oz7rVPchTKCgMMz.
{"copyright_id":"0xf9e272f4d9419b3aaf2a51418d4fd1fc3782e7d5cf9ad165cf171196f5deef3d","isrc":"USSM10207849","name":"Tender Things","registered_at":"2026-06-25T03:13:16Z","spotify_id":"3CNwcwrxh8IfC6BKCkmT5B","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e272f4d9419b3aaf2a51418d4fd1fc3782e7d5cf9ad165cf171196f5deef3d. 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/3CNwcwrxh8IfC6BKCkmT5B.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/3CNwcwrxh8IfC6BKCkmT5B.
{"copyright_id":"0xe0d4a1b93cc659e4595ed61a2c8dd0914d4d69d3646a7d9ff3fa4b38cc3bf380","isrc":"USSM17300306","name":"Friend of Mine - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-07T04:55:03Z","spotify_id":"1ckcgU3PMRASAeASBtIjTE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d4a1b93cc659e4595ed61a2c8dd0914d4d69d3646a7d9ff3fa4b38cc3bf380. 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/1ckcgU3PMRASAeASBtIjTE.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/1ckcgU3PMRASAeASBtIjTE.
{"copyright_id":"0xa700c2727b3fb8b47894c10e5f8b5b87575d42437b8eb3bba40a5a7456e14da9","isrc":"USSM10207851","name":"Let Me Be the One You Need","registered_at":"2026-06-22T14:50:04Z","spotify_id":"7BiKeRDmwvALfOA2Jytr12","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa700c2727b3fb8b47894c10e5f8b5b87575d42437b8eb3bba40a5a7456e14da9. 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/7BiKeRDmwvALfOA2Jytr12.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/7BiKeRDmwvALfOA2Jytr12.
{"copyright_id":"0x5a3c0f240ca470ddc3f8379165dfe3a6f3d1402f3ec0d852f5be7729a0f73ad5","isrc":"USSM17300313","name":"I Can't Write Left-Handed - Live at Carnegie Hall, New York, NY - October 1972","registered_at":"2026-06-05T14:43:17Z","spotify_id":"7sbGdCxpSVeY5vFoLvUQZh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a3c0f240ca470ddc3f8379165dfe3a6f3d1402f3ec0d852f5be7729a0f73ad5. 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/7sbGdCxpSVeY5vFoLvUQZh.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/7sbGdCxpSVeY5vFoLvUQZh.
{"copyright_id":"0x1bec64b7f70c6cb1a8c15b854ab740c2e5c5e4a303d53f97ad653669077bf0b6","isrc":"USSM10105624","name":"Memories Are That Way","registered_at":"2026-06-25T03:13:52Z","spotify_id":"2XPNYJ1MLTGMf0YaKLVUFX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bec64b7f70c6cb1a8c15b854ab740c2e5c5e4a303d53f97ad653669077bf0b6. 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/2XPNYJ1MLTGMf0YaKLVUFX.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/2XPNYJ1MLTGMf0YaKLVUFX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42b326607259e25043eee70533018e1c339c806c760e202c4bc21e1744792ade. 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/20kN7bu0HMO8rIVY6tEytW.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/20kN7bu0HMO8rIVY6tEytW.
{"copyright_id":"0xbc29aac193329c6393c093dcea31c230d8f2213f90fa0440f01859de3a9bc89d","isrc":"USSM10903736","name":"Make a Smile for Me","registered_at":"2026-06-19T01:01:18Z","spotify_id":"3amYouhrnjq5dAUFRkvYjI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc29aac193329c6393c093dcea31c230d8f2213f90fa0440f01859de3a9bc89d. 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/3amYouhrnjq5dAUFRkvYjI.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/3amYouhrnjq5dAUFRkvYjI.
Just the Two of Us (feat. Bill Withers) - Edit
{"copyright_id":"0x07f20d7516d91a789324f8c70e8cffffbb33fa190e6ddedcbea48dfb8b023f5d","isrc":"USEE10250233","name":"Just the Two of Us (feat. Bill Withers) - Edit","registered_at":"2026-06-03T19:27:23Z","spotify_id":"5ey0QpbtmSW71r5dWzkAlB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f20d7516d91a789324f8c70e8cffffbb33fa190e6ddedcbea48dfb8b023f5d. 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/5ey0QpbtmSW71r5dWzkAlB.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/5ey0QpbtmSW71r5dWzkAlB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x751986c57c9c051a3136970c740387b03d13d7715f94f4c1413f559907ca200f. 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/6Y2WA0VUEgvRKJB9p4R61V.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/6Y2WA0VUEgvRKJB9p4R61V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73460ad083dc51e765b5c654a4460e39584e4d0a36a7c08aca963256f1c53538. 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/1BGJKq6Myht3AYqrKylNla.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/1BGJKq6Myht3AYqrKylNla.
{"copyright_id":"0xd77a1bd8c5f616b5f6075ae2e7bf2f04205bfcdd331a0230668d850c64fa8e19","isrc":"USSM10214736","name":"We Could Be Sweet Lovers","registered_at":"2026-06-21T14:55:46Z","spotify_id":"2yoMkTHfJYWuKxzWFXBQ4Q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd77a1bd8c5f616b5f6075ae2e7bf2f04205bfcdd331a0230668d850c64fa8e19. 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/2yoMkTHfJYWuKxzWFXBQ4Q.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/2yoMkTHfJYWuKxzWFXBQ4Q.
{"copyright_id":"0xa5d29320e4bfbae98e542397ccd3a4d55fcfd43b22ad2ebca9e956c8ead9afca","isrc":"USSM10902682","name":"Railroad Man","registered_at":"2026-06-19T00:38:40Z","spotify_id":"5ymMx9GBPl9RaJ3UHd2qBR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5d29320e4bfbae98e542397ccd3a4d55fcfd43b22ad2ebca9e956c8ead9afca. 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/5ymMx9GBPl9RaJ3UHd2qBR.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/5ymMx9GBPl9RaJ3UHd2qBR.
{"copyright_id":"0x5d435dd90a99e1cc1839efa9f78f13475b2514d00ac3a6b134931f3d993f2904","isrc":"USSM10214734","name":"Something That Turns You On","registered_at":"2026-06-21T14:52:48Z","spotify_id":"3wdpixTwWB25KSNIcMxhgq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d435dd90a99e1cc1839efa9f78f13475b2514d00ac3a6b134931f3d993f2904. 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/3wdpixTwWB25KSNIcMxhgq.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/3wdpixTwWB25KSNIcMxhgq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2f14ee588e80918de89206ef9cc55b92e50f7c0a2d3e982f2d282c90faa499. 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/5zCJvrT3C7cIfHsR5iG95l.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/5zCJvrT3C7cIfHsR5iG95l.
{"copyright_id":"0x07f20d7516d91a789324f8c70e8cffffbb33fa190e6ddedcbea48dfb8b023f5d","isrc":"USEE10250233","name":"Just the Two of Us (feat. Bill Withers) - Edit","registered_at":"2026-06-01T09:43:25Z","spotify_id":"2tH28YyKYOldxhuBHoI79M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f20d7516d91a789324f8c70e8cffffbb33fa190e6ddedcbea48dfb8b023f5d. 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/2tH28YyKYOldxhuBHoI79M.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/2tH28YyKYOldxhuBHoI79M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b53f4ad99654bcd650aa25a295532d520a49967583f4731a9c0ab3c54525bc. 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/1k1Bqnv2R0uJXQN4u6LKYt.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/1k1Bqnv2R0uJXQN4u6LKYt.
{"copyright_id":"0xb10b2aabb38f97c9fb5cd8519789d89ef44eadfba215d4f9ec71e9a501bb93f7","isrc":"USEE19901162","name":"Just the Two of Us (feat. Bill Withers)","registered_at":"2026-06-01T04:08:57Z","spotify_id":"1ko2lVN0vKGUl9zrU0qSlT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10b2aabb38f97c9fb5cd8519789d89ef44eadfba215d4f9ec71e9a501bb93f7. 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/1ko2lVN0vKGUl9zrU0qSlT.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/1ko2lVN0vKGUl9zrU0qSlT.