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 0x80850ee78acd23e739aaec1a304fe32fc44084dff80a0775517c167ef913a5e2. 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/38c56908-88fb-4318-b0f1-aae613c76558.json and https://artists.proofprofile.net/proofs/artist/38c56908-88fb-4318-b0f1-aae613c76558.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xd2b4ed7c75307bb652a29459cb9bcbd6691f87fbb84ef6863e1d8d5134375e6e","isrc":"USMC16501042","name":"Dirty Water","registered_at":"2026-06-04T12:08:34Z","spotify_id":"11sGMdEqalkocgfOKFfQdI","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 0xd2b4ed7c75307bb652a29459cb9bcbd6691f87fbb84ef6863e1d8d5134375e6e. 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/11sGMdEqalkocgfOKFfQdI.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/11sGMdEqalkocgfOKFfQdI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4cf9ecdb24e55e3dc474cab2897dd2ae9544feb66df4733844897241b021c37. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58FOS28X7LroP4Ei3Wgved.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/58FOS28X7LroP4Ei3Wgved.
{"copyright_id":"0x0050b16f0ec53d99716a01cf1f4e749cdfa9579f40b05c520efaca5c86633043","isrc":"USMC16601558","name":"Sometimes Good Guys Don't Wear White","registered_at":"2026-06-09T18:14:35Z","spotify_id":"6RDuH8C4yjdxSsjOEn65IO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0050b16f0ec53d99716a01cf1f4e749cdfa9579f40b05c520efaca5c86633043. 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/6RDuH8C4yjdxSsjOEn65IO.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/6RDuH8C4yjdxSsjOEn65IO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd09235c2530bc3bdc024a51d33811c32003c85b996abefc45d3fdd7dabf1c17f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ye8CvawN2w7XXH17Xjj0J.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/6ye8CvawN2w7XXH17Xjj0J.
Sometimes Good Guys Don't Wear White (Live)
{"copyright_id":"0xde8514ca6bc8fc993199670d5278ced56fb14a46d4863e53cbba54ab5cc98857","isrc":"FRX089020146","name":"Sometimes Good Guys Don't Wear White","registered_at":"2026-06-21T14:54:56Z","spotify_id":"0dGE1gcs9Y3tXH2MOMVxwq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8514ca6bc8fc993199670d5278ced56fb14a46d4863e53cbba54ab5cc98857. 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/0dGE1gcs9Y3tXH2MOMVxwq.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/0dGE1gcs9Y3tXH2MOMVxwq.
{"copyright_id":"0xcf9a17d7d0320be1eb3e2b59e57e9f82a1e5a40c408c15bb20d945fe56053b99","isrc":"FRX089020158","name":"Dirty Water (Stereo)","registered_at":"2026-06-11T00:09:22Z","spotify_id":"6ypcjPFIskBHL9fpWhgkkE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9a17d7d0320be1eb3e2b59e57e9f82a1e5a40c408c15bb20d945fe56053b99. 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/6ypcjPFIskBHL9fpWhgkkE.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/6ypcjPFIskBHL9fpWhgkkE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab245b53b7bd839b9403dd2d4baf7ef4698040745b222ff773ec438c581a468. 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/7JPzwIrM9QXVY9xihGrGfM.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/7JPzwIrM9QXVY9xihGrGfM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0df8f8a34a8f2e22045d88e4a09d836f3a0a864ff7600978a8fb788e49ab64c. 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/0WS6E7ukCCWH1UVoKGUQif.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/0WS6E7ukCCWH1UVoKGUQif.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd490846f278c44da1b13f7ebe6d492f3d2b28b9e78347514a47200108195181. 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/0fMhvmSjTPYjAPcvziZv6i.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/0fMhvmSjTPYjAPcvziZv6i.
Why Pick On Me - Sometimes Good Guys Don't Wear White (Expanded Mono Edition)
Sometimes Good Guys Don't Wear White - Mono Version
{"copyright_id":"0x164098191dfa2c9c5c504a691246a1991b500275e5c99ea644528a63b8ff7169","isrc":"USUM71607253","name":"Sometimes Good Guys Don't Wear White - Mono Version","registered_at":"2026-06-11T20:10:06Z","spotify_id":"2QIsdMYPWNsO8FhSxuYveu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164098191dfa2c9c5c504a691246a1991b500275e5c99ea644528a63b8ff7169. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2QIsdMYPWNsO8FhSxuYveu.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/2QIsdMYPWNsO8FhSxuYveu.
Have You Ever Spent The Night In Jail - Mono Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4cf9ecdb24e55e3dc474cab2897dd2ae9544feb66df4733844897241b021c37. 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/61xHAF3hxOaxemk5j9cVTV.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/61xHAF3hxOaxemk5j9cVTV.
{"copyright_id":"0xad7c3cc92e4d139d37d7540eff96f3484f79b9c501f54c8d2bc09a85da4ca999","isrc":"USUM71607250","name":"There Is A Storm Comin'","registered_at":"2026-06-25T14:57:58Z","spotify_id":"7FGYH5gS81DuX7YsYgJG73","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad7c3cc92e4d139d37d7540eff96f3484f79b9c501f54c8d2bc09a85da4ca999. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7FGYH5gS81DuX7YsYgJG73.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/7FGYH5gS81DuX7YsYgJG73.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa8db88405090b2038c40f1fffda143b5dcf997c1d5006433f8e532065eaf02. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ipAWu2mkES7Utx7oe6NNf.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/5ipAWu2mkES7Utx7oe6NNf.
{"copyright_id":"0xd2b4ed7c75307bb652a29459cb9bcbd6691f87fbb84ef6863e1d8d5134375e6e","isrc":"USMC16501042","name":"Dirty Water","registered_at":"2026-06-04T12:08:34Z","spotify_id":"3NINDFPIYnyT26cWWRomOQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b4ed7c75307bb652a29459cb9bcbd6691f87fbb84ef6863e1d8d5134375e6e. 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/3NINDFPIYnyT26cWWRomOQ.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/3NINDFPIYnyT26cWWRomOQ.
{"copyright_id":"0x164098191dfa2c9c5c504a691246a1991b500275e5c99ea644528a63b8ff7169","isrc":"USUM71607253","name":"Sometimes Good Guys Don't Wear White - Mono Version","registered_at":"2026-06-11T20:10:06Z","spotify_id":"07OITSVGt7vOSMcN3uvF9t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164098191dfa2c9c5c504a691246a1991b500275e5c99ea644528a63b8ff7169. 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/07OITSVGt7vOSMcN3uvF9t.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/07OITSVGt7vOSMcN3uvF9t.
{"copyright_id":"0x29f2f6adf184c77062ec5761bd5a18cf2d22e3dfb90fb5940139c7c5e47e3b54","isrc":"USMC16601555","name":"Hey Joe, Where You Gonna Go","registered_at":"2026-06-10T21:47:08Z","spotify_id":"3iCVgvJQUK0EXZB3YoNH50","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f2f6adf184c77062ec5761bd5a18cf2d22e3dfb90fb5940139c7c5e47e3b54. 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/3iCVgvJQUK0EXZB3YoNH50.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/3iCVgvJQUK0EXZB3YoNH50.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9b14faff8e1e74ea5dc8885b47f0474048ab7251f9c395edcac44d23ef24ff8. 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/1dWWsEP2GiBk0CcSybvEnV.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/1dWWsEP2GiBk0CcSybvEnV.
Why Pick On Me - Sometimes Good Guys Don't Wear White
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfef6dd541784b00bb64a176e306fe7853c434c46003ec82fbefc061c6171136. 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/2RJPho1Ex5yhAm4tr76DLp.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/2RJPho1Ex5yhAm4tr76DLp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd09235c2530bc3bdc024a51d33811c32003c85b996abefc45d3fdd7dabf1c17f. 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/14zTFhYA0e13W6A0LUscYc.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/14zTFhYA0e13W6A0LUscYc.
Dirty Water - Re-Recorded - Instrumental Version
Riot On Sunset Strip (Original Motion Picture Soundtrack)
{"copyright_id":"0xbbb11f734e7df9d2ba0b5e4c5ab13a30de8d26c94befa42970864cb71e2a40c6","isrc":"USCRB1210008","name":"Riot On Sunset Strip","registered_at":"2026-06-20T12:40:01Z","spotify_id":"24S5QSrvrTXR6mMI5yvq97","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbb11f734e7df9d2ba0b5e4c5ab13a30de8d26c94befa42970864cb71e2a40c6. 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/24S5QSrvrTXR6mMI5yvq97.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/24S5QSrvrTXR6mMI5yvq97.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf525956ca7d0d77c61d64344d61c462d813f851a1f48d17bd70d572106e27ed. 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/5KuMDgpA6SZbPEA3MF6Uak.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/5KuMDgpA6SZbPEA3MF6Uak.
Wouldn't It Be Nice - Mono / Remastered 1996
Uptight (Everything's Alright) - Single Version
This Old Heart Of Mine (Is Weak For You) - Alternate Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f765b957faef073b315f615ec5ffed2f10e46239e1714e7f59be206be2bc889. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ccWN2E8lwOtgW3wb91Zpv.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/6ccWN2E8lwOtgW3wb91Zpv.
It's A Man's, Man's, Man's World - Single Version / Mono
{"copyright_id":"0xfcb63e460af07c894799c9a469496affa51069fa680224b0148725e0bce07f90","isrc":"USUR10001144","name":"It's A Man's, Man's, Man's World - Single Version / Mono","registered_at":"2026-06-22T19:18:46Z","spotify_id":"4HhXUK3pU4lZ12fy3o3NLJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb63e460af07c894799c9a469496affa51069fa680224b0148725e0bce07f90. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4HhXUK3pU4lZ12fy3o3NLJ.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/4HhXUK3pU4lZ12fy3o3NLJ.
The Good, The Bad And The Ugly - Main Title / 2004 Remaster
Infant Eyes - Remastered1998/Rudy Van Gelder Edition
An Inspirational Message (featuring Lenny Kaye & Peter Zaremba)