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 0x9d33216dad48c58067ca0e4dc275186907b952208b02b05eb7e1343ffbc11015. 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/e48be57f-6427-4039-9a1f-872ddf223b8f.json and https://artists.proofprofile.net/proofs/artist/e48be57f-6427-4039-9a1f-872ddf223b8f.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 0x3d7eb4ea913c42c697d3989dc68ec836e06f9c5c0640268d82ce1a454786169c. 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/4OYpXuIRZ9MexBMtyAfH2F.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/4OYpXuIRZ9MexBMtyAfH2F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa978d2154a3ec6867967e5645a779938a32ce54970c8faf101a51d231012d595. 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/7tpIBb7KAQXht3eFLsxOzr.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/7tpIBb7KAQXht3eFLsxOzr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8a1df65f2737cd1812bf45935bf0f1d08809d2b70a2bd5d0e587ec58ddc3fe. 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/2iQ4XGhmwjMRFV2tWYBbHU.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/2iQ4XGhmwjMRFV2tWYBbHU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631cbbe8ae04bbce3fc008901c5798f36f040677eebe5ad808eb165076c5858b. 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/0WRj9MYbC5UQMHnZb68VH8.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/0WRj9MYbC5UQMHnZb68VH8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff3c0249513709b9ec27ecb86766f0c154eecf5dfecbbb3a63527e2b265d96eb. 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/1VsnqfYiAnCxq8AmAyZMgC.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/1VsnqfYiAnCxq8AmAyZMgC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa978d2154a3ec6867967e5645a779938a32ce54970c8faf101a51d231012d595. 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/7FGGew1T4GqNyTH8t1qtuv.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/7FGGew1T4GqNyTH8t1qtuv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8a1df65f2737cd1812bf45935bf0f1d08809d2b70a2bd5d0e587ec58ddc3fe. 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/3XgbuhK9Nqi39XzFMX0Yw4.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/3XgbuhK9Nqi39XzFMX0Yw4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8299f9712919e5ac656a40e46e4181d476c15f571d2d4558b77cb0667491d633. 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/0c2IEantQVUWpv2aeU3Jlj.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/0c2IEantQVUWpv2aeU3Jlj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d7eb4ea913c42c697d3989dc68ec836e06f9c5c0640268d82ce1a454786169c. 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/5B1Gru5ZkpK6nFTQS3DQpw.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/5B1Gru5ZkpK6nFTQS3DQpw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86123fb48ff22a8dd0072905adaab75871ebafd362a0180820ec55b732aef276. 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/2ZDiHCOxnILW0xMwfOSFvK.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/2ZDiHCOxnILW0xMwfOSFvK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x244fb9acf64a2365e814916069854a69dad25dbda99f5bddbc6fb5d896641a07. 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/78Vb7IZdWRgRMcIr8SetC7.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/78Vb7IZdWRgRMcIr8SetC7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcdb07f5e9c4d292126433d2fe41275118cef68f41c865b8764b9d4745521f01. 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/7JBBfN2E8rbfZleE0uekst.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/7JBBfN2E8rbfZleE0uekst.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631cbbe8ae04bbce3fc008901c5798f36f040677eebe5ad808eb165076c5858b. 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/1mwdFh1d98ajXYa0iLjnkf.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/1mwdFh1d98ajXYa0iLjnkf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b88be5aaf963717b5c732c977a8c7b1e6a79c12187e66ae2104f5c675ee981. 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/1iCQKGPYMZnO4Tir7roIFq.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/1iCQKGPYMZnO4Tir7roIFq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63cffe26ffa390c1dfbb4e19a8918116788b65c58f520bc7e58e9314bd7e367e. 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/1gyZYFr55eyJcHNtgADB99.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/1gyZYFr55eyJcHNtgADB99.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5648ffc2c2dd450f99b46ca3bb36467aefc67dc16509bcc4fe929afc5dd8bbe0. 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/49vGZZ6CMuEfc7ZEC3Zqpg.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/49vGZZ6CMuEfc7ZEC3Zqpg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc47e338a1cb7972b9308ac5e3500558e7cfb73f4d420effe5e2cd20d1eefed. 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/5uS0FgfzGkkR80DZDSQkBN.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/5uS0FgfzGkkR80DZDSQkBN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf193e676af166e2aee3efca9c254c14ba9a0e74d9042684da1fc17a008ccf04c. 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/1G7gtI3OxDj2tIiTuiWnKq.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/1G7gtI3OxDj2tIiTuiWnKq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2c41999873f17f191408ab70fe33b9a2dca95d3c6fc81267dbc80d093b7fd9a. 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/2pFDKdYSrOGXbzdVZshBfj.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/2pFDKdYSrOGXbzdVZshBfj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd65ab068fda9f8b2643e19c578c55f41994a629f72194afe15994dfb9bfbed. 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/1XWl4Ry1O4Tr0M7O7hkkxY.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/1XWl4Ry1O4Tr0M7O7hkkxY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd65ab068fda9f8b2643e19c578c55f41994a629f72194afe15994dfb9bfbed. 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/2FUsVTgmf8iEbqw97PP7jh.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/2FUsVTgmf8iEbqw97PP7jh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2c41999873f17f191408ab70fe33b9a2dca95d3c6fc81267dbc80d093b7fd9a. 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/3UbzTDSRM23QU46z8xPOrB.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/3UbzTDSRM23QU46z8xPOrB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf193e676af166e2aee3efca9c254c14ba9a0e74d9042684da1fc17a008ccf04c. 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/1NR9Apig2mL63xrQABZkLU.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/1NR9Apig2mL63xrQABZkLU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc47e338a1cb7972b9308ac5e3500558e7cfb73f4d420effe5e2cd20d1eefed. 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/3XaIhEyo8ZcPHHDkgvxGZL.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/3XaIhEyo8ZcPHHDkgvxGZL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5648ffc2c2dd450f99b46ca3bb36467aefc67dc16509bcc4fe929afc5dd8bbe0. 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/680HinGyyx3Ga4zF4jJzjO.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/680HinGyyx3Ga4zF4jJzjO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63cffe26ffa390c1dfbb4e19a8918116788b65c58f520bc7e58e9314bd7e367e. 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/4NF1YaUCyBESPJvel4n0hL.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/4NF1YaUCyBESPJvel4n0hL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b88be5aaf963717b5c732c977a8c7b1e6a79c12187e66ae2104f5c675ee981. 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/0J5X7seP1iG0n8b5emNJua.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/0J5X7seP1iG0n8b5emNJua.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcdb07f5e9c4d292126433d2fe41275118cef68f41c865b8764b9d4745521f01. 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/57SxshTak87JSOOS7ZUO3v.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/57SxshTak87JSOOS7ZUO3v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x244fb9acf64a2365e814916069854a69dad25dbda99f5bddbc6fb5d896641a07. 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/3SmM9ydGKySl7lOyzWYKuS.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/3SmM9ydGKySl7lOyzWYKuS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86123fb48ff22a8dd0072905adaab75871ebafd362a0180820ec55b732aef276. 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/4tVLSZpN9BJ2tZXUuF58v2.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/4tVLSZpN9BJ2tZXUuF58v2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8299f9712919e5ac656a40e46e4181d476c15f571d2d4558b77cb0667491d633. 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/0KnSG0u1ztVRevikidbY41.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/0KnSG0u1ztVRevikidbY41.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff3c0249513709b9ec27ecb86766f0c154eecf5dfecbbb3a63527e2b265d96eb. 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/6FqLqmEOt6IjkZSHtbZ6qf.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/6FqLqmEOt6IjkZSHtbZ6qf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2729a58eca48c19a6eb281a566a765d3bf253b3c99d70e6fad1c8897651c5c. 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/2Vj2oTAf2AtZBwJubkjyAP.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/2Vj2oTAf2AtZBwJubkjyAP.
{"copyright_id":"0xd82b4f7023576ff8420cc5a267eedb510ba306a7059eced81d5b294e5c7dc419","isrc":"QZHNC2082495","name":"Appel manqué","registered_at":"2026-06-24T18:53:40Z","spotify_id":"5JkFhr64lXP2xBY7epVlMh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd82b4f7023576ff8420cc5a267eedb510ba306a7059eced81d5b294e5c7dc419. 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/5JkFhr64lXP2xBY7epVlMh.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/5JkFhr64lXP2xBY7epVlMh.