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 0x7d41b9001e798bcc03d557af5c0e2cb54e9ccf697d9a298636842ab1c0f1b46a. 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/4cb1eb6f-7132-4be5-9ec1-357eb62c7f9c.json and https://artists.proofprofile.net/proofs/artist/4cb1eb6f-7132-4be5-9ec1-357eb62c7f9c.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 0xf082d8e2bee0701932660bf74ade3db82688b1449e515712f1eb97bf33c2435f. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/43pjYvu2dKtGx3iaIXLAFs.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/43pjYvu2dKtGx3iaIXLAFs.
{"copyright_id":"0xd68458efafc4e3bc0c777cf78e8ec594871cdb07c9d1a0ee0f2d4a1f9c389b03","isrc":"QMGAC2200081","name":"I Met Jesus In Miami","registered_at":"2026-06-05T12:50:38Z","spotify_id":"5zvIHOsngAbCnUGxvDvIul","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd68458efafc4e3bc0c777cf78e8ec594871cdb07c9d1a0ee0f2d4a1f9c389b03. 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/5zvIHOsngAbCnUGxvDvIul.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/5zvIHOsngAbCnUGxvDvIul.
{"copyright_id":"0x0ef35b6b561a5bd6ff6a1e30d961456f2a1fbfcb7d61ca3b958e2647e376cbe9","isrc":"QMGAC2200094","name":"No Other Love","registered_at":"2026-06-06T11:09:37Z","spotify_id":"1dGMfqcCkr1PpWZaWOV59f","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ef35b6b561a5bd6ff6a1e30d961456f2a1fbfcb7d61ca3b958e2647e376cbe9. 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/1dGMfqcCkr1PpWZaWOV59f.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/1dGMfqcCkr1PpWZaWOV59f.
{"copyright_id":"0x0d5b42a85ced93742700c9e3305b5a8a242f5bdafe4b44246d8348ccfe19dcf5","isrc":"QMGAC2200095","name":"I Came Home","registered_at":"2026-06-07T01:03:24Z","spotify_id":"0NxInR5dIhCsONjQtfmE6w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d5b42a85ced93742700c9e3305b5a8a242f5bdafe4b44246d8348ccfe19dcf5. 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/0NxInR5dIhCsONjQtfmE6w.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/0NxInR5dIhCsONjQtfmE6w.
{"copyright_id":"0x4503c3f37937bd2e8fd1a8e7713dd585a81af4f18d57c5ba280f8d9a9cf40516","isrc":"QMGAC2200103","name":"This Too Shall Pass","registered_at":"2026-06-09T18:42:04Z","spotify_id":"78EDgPOfdckrH6qte6bMkG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4503c3f37937bd2e8fd1a8e7713dd585a81af4f18d57c5ba280f8d9a9cf40516. 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/78EDgPOfdckrH6qte6bMkG.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/78EDgPOfdckrH6qte6bMkG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2748814b0ac8158a0b82bb70031acbcdab3fff28b97f24693454f1918c122d0e. 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/404BBZzegyqciGfKvHCBxx.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/404BBZzegyqciGfKvHCBxx.
{"copyright_id":"0x2d3d7460a5874717d97ebdc44ad0a0f04c5ec15538da62b32ce91df371a5c344","isrc":"QMGAC2200096","name":"God Of The Valley","registered_at":"2026-06-10T14:22:31Z","spotify_id":"6FJPeadAFBPT8kc9uGPrxB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d3d7460a5874717d97ebdc44ad0a0f04c5ec15538da62b32ce91df371a5c344. 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/6FJPeadAFBPT8kc9uGPrxB.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/6FJPeadAFBPT8kc9uGPrxB.
{"copyright_id":"0xcecf90937cf87efef39eca173a375883bfa070a6924feaa831ad3231c8ee97f3","isrc":"QMGAC2200097","name":"Song For The City","registered_at":"2026-06-18T16:57:39Z","spotify_id":"1bxJGFJrraFVy0uIOdAfvN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcecf90937cf87efef39eca173a375883bfa070a6924feaa831ad3231c8ee97f3. 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/1bxJGFJrraFVy0uIOdAfvN.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/1bxJGFJrraFVy0uIOdAfvN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2cd831c056f1febb4bfcecf762af06767aa8a2af6b54aa5197c7f5beae2b7c8. 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/4bUjpy9qVlR4vVSMPrzTaX.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/4bUjpy9qVlR4vVSMPrzTaX.
{"copyright_id":"0x1dd84ebbd55431c55c8a20f27638ffe041a8ab3dbd624402254c2c61ae051121","isrc":"QMGAC2200099","name":"Glorify - Reprise","registered_at":"2026-06-22T02:37:08Z","spotify_id":"1XrfsVJ3z3jucEO1fHwXwE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd84ebbd55431c55c8a20f27638ffe041a8ab3dbd624402254c2c61ae051121. 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/1XrfsVJ3z3jucEO1fHwXwE.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/1XrfsVJ3z3jucEO1fHwXwE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf082d8e2bee0701932660bf74ade3db82688b1449e515712f1eb97bf33c2435f. 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/3gNXfvAvAaozZlySToX3fU.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/3gNXfvAvAaozZlySToX3fU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1504a191c05e60c771f8d58b29610e28d4cf8f31aea932f0211cd0ca8d844eb7. 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/7kj8dHgo3iu53pQDBPoe5n.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/7kj8dHgo3iu53pQDBPoe5n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f486fffd2207786e8d1793180a15f945abb93bb8ff45a8f2675300466ce98f. 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/5vIoQgwjVrlLsSjIHNv7a3.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/5vIoQgwjVrlLsSjIHNv7a3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6104a0f87df911c6d8ad9cf91dde3d69f504b5cb4f04a36931e399b2f9a4fa98. 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/16DAM42wlCIG2KrSXHgnUs.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/16DAM42wlCIG2KrSXHgnUs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65266e45f9eed2246300192bd61b677dc0f575e8a597b761c7efc5073cf2f61. 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/48HXJ1hOWFCaP1x8BzDrHR.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/48HXJ1hOWFCaP1x8BzDrHR.
{"copyright_id":"0xa4b85985cdcf379aeac1769acf70de305c625517847f57086e2fafba81a730ef","isrc":"QMGAC2200083","name":"Up On This Rock","registered_at":"2026-06-05T08:54:29Z","spotify_id":"5hD7zxBAZHEBVaLr6GYETQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4b85985cdcf379aeac1769acf70de305c625517847f57086e2fafba81a730ef. 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/5hD7zxBAZHEBVaLr6GYETQ.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/5hD7zxBAZHEBVaLr6GYETQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09cd20255d9f06fd5ad38c89fc1727aacec3923eae634351af085c4164a1d40c. 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/1qLFwwPusVP8BBTyPEjETY.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/1qLFwwPusVP8BBTyPEjETY.
{"copyright_id":"0x52e9134e06eba44599ec1411e99dbe7ee69f024040fece655496a4ff512d302e","isrc":"QZZRJ2400009","name":"Perfect Peace - Live","registered_at":"2026-06-29T10:02:20Z","spotify_id":"5TpbfFItahULq1yEdgxDNH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52e9134e06eba44599ec1411e99dbe7ee69f024040fece655496a4ff512d302e. 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/5TpbfFItahULq1yEdgxDNH.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/5TpbfFItahULq1yEdgxDNH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09cd20255d9f06fd5ad38c89fc1727aacec3923eae634351af085c4164a1d40c. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Df53bw7U1LR9iGJVhdJBM.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/0Df53bw7U1LR9iGJVhdJBM.
{"copyright_id":"0xc34100779a66b291e3728c176269c8290e3ef7b69b4be8003de822cf26af129d","isrc":"QZZRJ2400033","name":"Good Time - Live From VOUSCon","registered_at":"2026-06-29T17:08:32Z","spotify_id":"7LI1v1NUMzqYGDGeqeJlew","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc34100779a66b291e3728c176269c8290e3ef7b69b4be8003de822cf26af129d. 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/7LI1v1NUMzqYGDGeqeJlew.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/7LI1v1NUMzqYGDGeqeJlew.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d20ce562094ac70682d7addb352892477973c8dee36336483781cd819d30ce7. 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/6nuzfV3QtEo0BMmbyzpPfJ.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/6nuzfV3QtEo0BMmbyzpPfJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a649991e90bb85a5811f6914b5672514c32829e92913c9633b7bbc09140757d. 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/4l5Le38sU3RwaJmlGWaBZ1.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/4l5Le38sU3RwaJmlGWaBZ1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x678eaf96781660842330f4aafee8d000e26f48af1665b8b8299114390821eb68. 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/2VTSC53eqgqUv5mfVXpsGP.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/2VTSC53eqgqUv5mfVXpsGP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf082d8e2bee0701932660bf74ade3db82688b1449e515712f1eb97bf33c2435f. 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/5U85849awN3IqfkWUMUpu2.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/5U85849awN3IqfkWUMUpu2.