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 0xe80565968af4d5e2e029303d4f3e860b0c053b89b0b83ec57cdb61bbba95974c. 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/fc1c0d0c-da1b-4c9e-ac15-0be56d2c6f09.json and https://artists.proofprofile.net/proofs/artist/fc1c0d0c-da1b-4c9e-ac15-0be56d2c6f09.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lotus (PAROOKAVILLE Anthem 2024) [Creeds Remix]
Lotus (PAROOKAVILLE Anthem 2024) - Creeds Remix
{"copyright_id":"0xd9fe1a33325500b0a95ca5e8f5db93a02c9499499fa4f5f97290f138ff9b8cc8","isrc":"DEA622402164","name":"Lotus (PAROOKAVILLE Anthem 2024) - Creeds Remix","registered_at":"2026-06-20T18:51:07Z","spotify_id":"2rIlaYmmqbUd2VGWZ4A722","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 0xd9fe1a33325500b0a95ca5e8f5db93a02c9499499fa4f5f97290f138ff9b8cc8. 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/2rIlaYmmqbUd2VGWZ4A722.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/2rIlaYmmqbUd2VGWZ4A722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x866b533753e9d0d6a75f6e5607584764eda36d32128270687501b23eb33bbcad. 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/3b6YmMGypI96OWTP94ogwy.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/3b6YmMGypI96OWTP94ogwy.
{"copyright_id":"0xf0f9c05019f46ae6921cbdb6eb02b4af64fe31cd0522ee891a533d645783e8ed","isrc":"DEE862301729","name":"Push Up - The Subs Remix","registered_at":"2026-06-26T17:47:00Z","spotify_id":"0JU7v4iSfwCSJcXJyQDGkG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0f9c05019f46ae6921cbdb6eb02b4af64fe31cd0522ee891a533d645783e8ed. 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/0JU7v4iSfwCSJcXJyQDGkG.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/0JU7v4iSfwCSJcXJyQDGkG.
{"copyright_id":"0x082f6f031b6a19bcef12b118e8edaa3bf27b99004493cc09a2172a4f20e1c3b8","isrc":"DEE862301730","name":"Push Up - DXPE Radio Mix","registered_at":"2026-06-07T18:57:03Z","spotify_id":"6s9Dza9RqsSqWdFKu8TFBg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x082f6f031b6a19bcef12b118e8edaa3bf27b99004493cc09a2172a4f20e1c3b8. 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/6s9Dza9RqsSqWdFKu8TFBg.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/6s9Dza9RqsSqWdFKu8TFBg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x519d4a9049c53ff9f88f7e8426d73216f4e57bf5f885b8f57c733283d3a05fdd. 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/45OBnL30V6ehoQ1qegBnwp.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/45OBnL30V6ehoQ1qegBnwp.
{"copyright_id":"0xcb6bf63c71ba31fd1beb3f18a5593bd559e8ee3160deb7d0d20ffa205cb8556e","isrc":"USL4Q2240253","name":"Oh My!","registered_at":"2026-06-07T16:07:45Z","spotify_id":"4n5gxSfu1ytKnjPjcMRL1X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6bf63c71ba31fd1beb3f18a5593bd559e8ee3160deb7d0d20ffa205cb8556e. 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/4n5gxSfu1ytKnjPjcMRL1X.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/4n5gxSfu1ytKnjPjcMRL1X.
Miracle (with Ellie Goulding) - Creeds Remix
{"copyright_id":"0x064f235a145e91cc184723a6d35e414c3ad485b8279cd4d890feb03b575d81ee","isrc":"GBARL2300752","name":"Miracle (with Ellie Goulding) - Creeds Remix","registered_at":"2026-06-18T13:45:20Z","spotify_id":"68k6pXPecxWDtiJUdFMFAl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x064f235a145e91cc184723a6d35e414c3ad485b8279cd4d890feb03b575d81ee. 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/68k6pXPecxWDtiJUdFMFAl.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/68k6pXPecxWDtiJUdFMFAl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c0177c02fd52f00c9d90a38a620d4220060f8559847389123528e55f14097e. 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/0ZPPxQBe6HIFsD3EAScbrP.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/0ZPPxQBe6HIFsD3EAScbrP.
Miracle (with Ellie Goulding) - Creeds Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbc5990b841226f03f32215b87ba965c257199fc6b918b43a5476d1afba86002. 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/0V38bEYbh2bRj0VXIXNYkv.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/0V38bEYbh2bRj0VXIXNYkv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f865418d47905782902a90915af7296f20cbe5d5ac9fc5cf1211a979425c414. 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/3vh4Xnm5Fi1lezdC1y5dZv.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/3vh4Xnm5Fi1lezdC1y5dZv.
{"copyright_id":"0x49cd33530197f0f4314ef2e9970b78cc745c350f883cf540c61de026765ae754","isrc":"CA5KR2331577","name":"No Ears for Electronic - Creeds Remix","registered_at":"2026-06-11T11:12:34Z","spotify_id":"2QVAYR5FqLGkEeVFvDSm5E","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49cd33530197f0f4314ef2e9970b78cc745c350f883cf540c61de026765ae754. 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/2QVAYR5FqLGkEeVFvDSm5E.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/2QVAYR5FqLGkEeVFvDSm5E.
{"copyright_id":"0x7857bfceb01fb7d909be0504ae7ec920d98bd61f8959a96dafffac1f92bf0d52","isrc":"NLS762400124","name":"Feel So Good (Creeds Remix) - Mix Cut","registered_at":"2026-06-20T05:31:28Z","spotify_id":"6HYIkLqxPHfHsEY8qI9zHi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7857bfceb01fb7d909be0504ae7ec920d98bd61f8959a96dafffac1f92bf0d52. 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/6HYIkLqxPHfHsEY8qI9zHi.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/6HYIkLqxPHfHsEY8qI9zHi.
{"copyright_id":"0x2db92d608d7b45777285afb393bbb74f533c812eb817b2a17d9b8e310df92c54","isrc":"NLFL72400007","name":"Push Up - Partyraiser & F. Noize Remix","registered_at":"2026-06-04T14:20:35Z","spotify_id":"5y4XdjguM3KVrAesuyIaDa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db92d608d7b45777285afb393bbb74f533c812eb817b2a17d9b8e310df92c54. 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/5y4XdjguM3KVrAesuyIaDa.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/5y4XdjguM3KVrAesuyIaDa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c0177c02fd52f00c9d90a38a620d4220060f8559847389123528e55f14097e. 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/5oD5aVeXHcI6I3g3zYzTdp.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/5oD5aVeXHcI6I3g3zYzTdp.