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 0x23b4d4a40af5b5d2ac8fe3689aa9879c2814a3cf1f23fd3e43429ca61ae1b9d7. 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/b190f1a3-4161-4ef6-8356-5a5087af6dc2.json and https://artists.proofprofile.net/proofs/artist/b190f1a3-4161-4ef6-8356-5a5087af6dc2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
She's A Bad Mama Jama (She's Built, She's Stacked)
This Feeling’s Rated X-tra - 12" Version
She's A Bad Mama Jama (She's Built, She's Stacked) - Single Version
She's a Bad Mama Jama (She's Built, She's Stacked) [Billboard Hot 100 - No 22]
She's a Bad Mama Jama (She's Built, She's Stacked) - Rerecorded
Competition Ain't Nothin' - Single Version
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 0x444a617bfec3dd295c89a41d5d785c12f791edbb1214f4fb3df5e2ca1c357867. 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/3WvNMhry4GsGV2J2EffdO8.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/3WvNMhry4GsGV2J2EffdO8.
{"copyright_id":"0xbfaafc970b8b7d30fb3129bc047dd488526c2db9142de499aaccdca44d60ed32","isrc":"USUM70963153","name":"This Feeling’s Rated X-tra","registered_at":"2026-06-29T03:17:56Z","spotify_id":"7ho96VLDdDRCYoUwHovf04","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfaafc970b8b7d30fb3129bc047dd488526c2db9142de499aaccdca44d60ed32. 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/7ho96VLDdDRCYoUwHovf04.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/7ho96VLDdDRCYoUwHovf04.
Slipped, Tripped (Fooled Around And Fell In Love)
She's a Bad Mama Jama (Re-Recorded) [Instrumental Version]
She's a Bad Mama Jama (She's Built, She's Stacked) [Re-Recorded - Sped Up]
She's a Bad Mama Jama (She's Built, She's Stacked) - Re-Recorded - Sped Up
ドライブが楽しくなる洋楽ヒッツ！80年代 R&B
She's a Bad Mama Jama (She's Built, She's Stacked) [Re-Recorded]
{"copyright_id":"0xaa3134ebf8b8bdeb46c64d7733b2b6cc53a61c8c2eeff63de52d05d4504b389f","isrc":"QMFMF1350356","name":"She's a Bad Mama Jama (She's Built, She's Stacked) [Re-Recorded]","registered_at":"2026-06-10T02:11:34Z","spotify_id":"7aUzGhrOduDiB8YvJyRXoe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa3134ebf8b8bdeb46c64d7733b2b6cc53a61c8c2eeff63de52d05d4504b389f. 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/7aUzGhrOduDiB8YvJyRXoe.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/7aUzGhrOduDiB8YvJyRXoe.
{"copyright_id":"0xe8b1e1f4e8de6747def926445d6de847dd379589ac53d358beff8f65f72a2ba2","isrc":"USMC17449953","name":"Everlasting Love","registered_at":"2026-06-18T13:27:25Z","spotify_id":"1nunjuEQxYFG2y64KLjU6U","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8b1e1f4e8de6747def926445d6de847dd379589ac53d358beff8f65f72a2ba2. 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/1nunjuEQxYFG2y64KLjU6U.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/1nunjuEQxYFG2y64KLjU6U.
{"copyright_id":"0x67db9cc50274e2c2e47ddefeecf54f4fb68d5dca4fb7fc9cfd589de9b1cc2de1","isrc":"USDJ20110816","name":"She's A Bad Mama Jama (She's Built, She's Stacked) - Single Version","registered_at":"2026-06-04T07:19:33Z","spotify_id":"7KEguG3CDoestm50v6XET5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67db9cc50274e2c2e47ddefeecf54f4fb68d5dca4fb7fc9cfd589de9b1cc2de1. 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/7KEguG3CDoestm50v6XET5.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/7KEguG3CDoestm50v6XET5.
{"copyright_id":"0x67db9cc50274e2c2e47ddefeecf54f4fb68d5dca4fb7fc9cfd589de9b1cc2de1","isrc":"USDJ20110816","name":"She's A Bad Mama Jama (She's Built, She's Stacked) - Single Version","registered_at":"2026-06-04T07:19:33Z","spotify_id":"6mUPowKkPuIsBVwcIeiGva","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67db9cc50274e2c2e47ddefeecf54f4fb68d5dca4fb7fc9cfd589de9b1cc2de1. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6mUPowKkPuIsBVwcIeiGva.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/6mUPowKkPuIsBVwcIeiGva.
{"copyright_id":"0xe8b1e1f4e8de6747def926445d6de847dd379589ac53d358beff8f65f72a2ba2","isrc":"USMC17449953","name":"Everlasting Love","registered_at":"2026-06-18T13:27:25Z","spotify_id":"1ls6hkxMlfXL4Qjgjg26yA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8b1e1f4e8de6747def926445d6de847dd379589ac53d358beff8f65f72a2ba2. 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/1ls6hkxMlfXL4Qjgjg26yA.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/1ls6hkxMlfXL4Qjgjg26yA.
Ian Levine's Northern Soul Classics, Vol. 10
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4408052ffaecba49d589a510984336043da77146aadd6c21f1c0832836126e36. 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/3bXNzlqfo71saRbpo28rGR.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/3bXNzlqfo71saRbpo28rGR.
{"copyright_id":"0xa96ff5a1dc3546e3706586bd27eff6669792dc9b536cd2261eeb14378610bf5b","isrc":"USUMG0300056","name":"She's A Bad Mama Jama (She's Built, She's Stacked)","registered_at":"2026-06-11T04:58:28Z","spotify_id":"3ofaRuHYDzfneUDJL8Lf7a","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa96ff5a1dc3546e3706586bd27eff6669792dc9b536cd2261eeb14378610bf5b. 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/3ofaRuHYDzfneUDJL8Lf7a.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/3ofaRuHYDzfneUDJL8Lf7a.
{"copyright_id":"0x829a1d290cdfecd5205c3faf5c3005aadb378d0043b97ddb1b6fc753c8cd4004","isrc":"QMFMF1344089","name":"She's a Bad Mama Jama (She's Built, She's Stacked) [Re-Recorded]","registered_at":"2026-06-11T04:48:46Z","spotify_id":"6aXXfgjm2TOPWvFDKRtVaX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829a1d290cdfecd5205c3faf5c3005aadb378d0043b97ddb1b6fc753c8cd4004. 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/6aXXfgjm2TOPWvFDKRtVaX.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/6aXXfgjm2TOPWvFDKRtVaX.