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 0x31a02a1292a184368967e6b69398245d297955bc6d82605fc0d76ff56dced3f5. 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/8c4c5547-8f88-4260-a189-cbbd8e3ca972.json and https://artists.proofprofile.net/proofs/artist/8c4c5547-8f88-4260-a189-cbbd8e3ca972.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x10431c3ab44faf815e33959b21484b2b5f6fd0b2cc2acd641f7febc84858be5e. 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/2NUKs3hLGwWFufkaAfKlSQ.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/2NUKs3hLGwWFufkaAfKlSQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce426e37d0913ef2be8f82e461aad0f67ec27b0241513902b374e26b89fd489. 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/4eovq4Ubecp361Ls97DWdZ.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/4eovq4Ubecp361Ls97DWdZ.
{"copyright_id":"0x77e105244693a0c9bc586a2eb9bafe925e4a6d4526c743517133fba98f82a652","isrc":"QZD5H2000511","name":"Crown Bounce - Real Groovers RMX","registered_at":"2026-06-17T20:25:09Z","spotify_id":"6w3SC2q3bQKexbk9NaLWmL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e105244693a0c9bc586a2eb9bafe925e4a6d4526c743517133fba98f82a652. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6w3SC2q3bQKexbk9NaLWmL.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/6w3SC2q3bQKexbk9NaLWmL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53c397faae8c824288eebf937cdaea02c2b2d37430bf40401982b3456e53e062. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/60Nri0S4n9ucR8mnOY3GB6.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/60Nri0S4n9ucR8mnOY3GB6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53c397faae8c824288eebf937cdaea02c2b2d37430bf40401982b3456e53e062. 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/4ejntz61GE4t4oMm4m2t7k.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/4ejntz61GE4t4oMm4m2t7k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c3b5cbecbeed2e1e7ee58fe809b9be6f87db2c06d12d09fb7e60a901bdc15ed. 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/2kCnIJpYCDkpnrJ30Hyyv4.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/2kCnIJpYCDkpnrJ30Hyyv4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53c397faae8c824288eebf937cdaea02c2b2d37430bf40401982b3456e53e062. 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/41J3LxOgz2AvoosKJbX25A.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/41J3LxOgz2AvoosKJbX25A.
{"copyright_id":"0xe0d79dc7aea399a957e037c49098621bc2aa66394ddbe974d971a30ed241fb91","isrc":"QZD5H2000526","name":"CRAZY SEXY PERFECT GIRLS","registered_at":"2026-06-07T06:13:09Z","spotify_id":"2yK4TLFFCgLUmTWyQoY8qj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d79dc7aea399a957e037c49098621bc2aa66394ddbe974d971a30ed241fb91. 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/2yK4TLFFCgLUmTWyQoY8qj.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/2yK4TLFFCgLUmTWyQoY8qj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9510548596fe62d7a61ee6f6a5644beb8777affeec8ddfb9fedd4b12f56d17e. 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/6BYjJobgPPKpO61Ry4HyQp.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/6BYjJobgPPKpO61Ry4HyQp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10431c3ab44faf815e33959b21484b2b5f6fd0b2cc2acd641f7febc84858be5e. 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/0o86YlgpdPMWzciQoa2Iwj.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/0o86YlgpdPMWzciQoa2Iwj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2430e8de96c9f004b38bb711735661bf8920c2824872f6ebb359937684f278e4. 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/1Zq9gIkrAcuXwfrDpYzYNJ.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/1Zq9gIkrAcuXwfrDpYzYNJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12599aaab67536cf4717dbfb4fb23f49bf124c4a053d21b41f01f8bed9685b38. 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/24ECbAa0KjbPpi79gQifrq.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/24ECbAa0KjbPpi79gQifrq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e030d3a12600ea3294145841b0d7d35881e384c27c8165183e39f845c8c481. 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/1qI2ueaN21QMehAQtdV1FK.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/1qI2ueaN21QMehAQtdV1FK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c4615025547efd0b4aa6c8a0acef6c513ba38f1aead952f6f87b4b166336469. 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/6Tg4DVOLAGeUEyd7gRSd2C.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/6Tg4DVOLAGeUEyd7gRSd2C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x666e65e5434ae3ff67a02cbad52d1549f2af0d69601d58d6ce064d927014aaec. 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/1XlLdWyqo82yjQuBIwqvHh.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/1XlLdWyqo82yjQuBIwqvHh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08d08e9a717fc4a5bf55480beca0646de97bc2812a21458daa511c432986cc4b. 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/656bTqbJh4wIVlY0EqvLGu.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/656bTqbJh4wIVlY0EqvLGu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3fb71240f683977a0d33053e019e85a570afac55b23b5cdd4d272b10ad1ab07. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:26:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6MeHqVRG35Rt6ksjXPKvjK.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/6MeHqVRG35Rt6ksjXPKvjK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41fd787b9c0e490349a6637500e09ae089e7e95f7d82cbda0e09689e4e0fede. 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/3emyajz72tfKLcjZxGATa4.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/3emyajz72tfKLcjZxGATa4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce426e37d0913ef2be8f82e461aad0f67ec27b0241513902b374e26b89fd489. 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/3GwQckO6X8Hixea9Z8PBhr.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/3GwQckO6X8Hixea9Z8PBhr.
Crown Bounce - Real Groovers RMX / Bonus Track
{"copyright_id":"0x77e105244693a0c9bc586a2eb9bafe925e4a6d4526c743517133fba98f82a652","isrc":"QZD5H2000511","name":"Crown Bounce - Real Groovers RMX / Bonus Track","registered_at":"2026-06-17T20:25:09Z","spotify_id":"7qfpaw5ZQ4tNHeQmcqfbGy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e105244693a0c9bc586a2eb9bafe925e4a6d4526c743517133fba98f82a652. 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/7qfpaw5ZQ4tNHeQmcqfbGy.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/7qfpaw5ZQ4tNHeQmcqfbGy.