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 0x1fae09a22c8ad6afc863c5071874ac0f3c83288d1b6895a40f22f7387e29813b. 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/1c96bd88-aaa2-41ec-abfd-dbf1a4062591.json and https://artists.proofprofile.net/proofs/artist/1c96bd88-aaa2-41ec-abfd-dbf1a4062591.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
En Pysty Lopettaa (Bang For The Buck Remix)
En Pysty Lopettaa - Bang For The Buck Remix
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 0xcf51d1bd6cc57d2384d497c4cb4980041782a17e7346bd4ceffdd242afaf39a9. 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/5BeMjPUnxSBUK4fXtPsRoD.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/5BeMjPUnxSBUK4fXtPsRoD.
Sammumaton / Ram pam pam (English version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c91302cf965469227a054fcadfe59e576fd8b590e1c6586fb98c2d73d74acf. 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/2Hg028L2VylrvgZr1JJhKa.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/2Hg028L2VylrvgZr1JJhKa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13effaf8ad484371cb6e341cb93f8a28c15bb74060c230835a02513edff06733. 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/3OcS32lfKd5YBrOXcyX9A5.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/3OcS32lfKd5YBrOXcyX9A5.
En Pysty Lopettaa - Jugenhaus x KONARI remix
{"copyright_id":"0x04dd34b4106d13257ce805c6bbdee2f192f13caa161292ab81654926c22c34e9","isrc":"FIUM72300231","name":"En Pysty Lopettaa - Jugenhaus x KONARI remix","registered_at":"2026-06-29T16:25:06Z","spotify_id":"3rtbP372Ntt9har9q4iSdk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04dd34b4106d13257ce805c6bbdee2f192f13caa161292ab81654926c22c34e9. 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/3rtbP372Ntt9har9q4iSdk.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/3rtbP372Ntt9har9q4iSdk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67280a9723a5ead63f0c8ec0ad18a3bcaddb3093e9f7f68a1fdb90c1a7d373cf. 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/5zBFyivO2fctJtXufjyVz5.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/5zBFyivO2fctJtXufjyVz5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac710ceca2607ea59ae013f67e583317f8deb4180cd1ac06f47cce9f5401dae. 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/6WVeP76nOIPfbGN67aJ2Pq.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/6WVeP76nOIPfbGN67aJ2Pq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x010a3fdad8eda51967f13f90890f64cd07fe541fd26970e74f98a9637274788d. 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/5O4s1218wemuZg1l52oHHN.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/5O4s1218wemuZg1l52oHHN.
{"copyright_id":"0xff24203711512ecdd30a97f777b1c392fae1b0ec3b2fb188ce6246769078df20","isrc":"FIK3E2300086","name":"Jos sul ei oo mua (feat. F & BESS)","registered_at":"2026-06-08T04:54:45Z","spotify_id":"39R1kVmiHKlRHQapRMyJ6G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff24203711512ecdd30a97f777b1c392fae1b0ec3b2fb188ce6246769078df20. 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/39R1kVmiHKlRHQapRMyJ6G.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/39R1kVmiHKlRHQapRMyJ6G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d794758ad14a6e657c4d77f97e8870fd6b3a0537b9b98602a04f2f88e78d9ac. 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/6GWQrRdbGUeA231In4K8rL.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/6GWQrRdbGUeA231In4K8rL.