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 0x9c22703e002acd1b5b97901f7aa68a330b28051d4a1830f947ea6abf522a3fe8. 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/2439bc04-a9f6-4364-bbaf-5432cfa52176.json and https://artists.proofprofile.net/proofs/artist/2439bc04-a9f6-4364-bbaf-5432cfa52176.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 0x571286c19a311da20e17e0963ec26d3abd3ad5d4b9a38fa31a4035fc49f926da. 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/5BczZ8OQh8TMM0WL7q806z.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/5BczZ8OQh8TMM0WL7q806z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe621fb79570487343ab88ec03642d8db6fb37748d7bf6064f7e322653c8aff4d. 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/2Wf5u7yE4VDfpMx6q79KrS.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/2Wf5u7yE4VDfpMx6q79KrS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7cfddcc2ee241ed96c594c6a54e1af95b090667c9ff5cc05e4bf349c7008612. 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/3adlOkbBMEUdVKQ7aY3pdX.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/3adlOkbBMEUdVKQ7aY3pdX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2178ff1df1a2f458410d6187d24a98887117bcaad64bbd5d49c3c877c6a6f6. 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/6z8cZkMfp6fBKzIESStBYG.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/6z8cZkMfp6fBKzIESStBYG.
{"copyright_id":"0xf2ad201526819bf4bd6b67cf74e1cff50a6fca9c14350ec6e685b79c4eb9dea8","isrc":"JPPO02102963","name":"Light up","registered_at":"2026-06-19T18:25:29Z","spotify_id":"6530nYsYqE0u2bhTAYxbff","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2ad201526819bf4bd6b67cf74e1cff50a6fca9c14350ec6e685b79c4eb9dea8. 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/6530nYsYqE0u2bhTAYxbff.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/6530nYsYqE0u2bhTAYxbff.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x326f7c07715be8fbc0650825d91f9ba9277a544f235b471288a10900524caa1b. 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/1oq0r2LmdpLNbRmGTV9BJ4.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/1oq0r2LmdpLNbRmGTV9BJ4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1d5e2ed660d1652959045af15b68d00b0a42ec8660ec4eff26988ef2dff4fd9. 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/6ffZaRELrjSz5ddBucVJTT.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/6ffZaRELrjSz5ddBucVJTT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd09621c16671ae976568ad3dee0f4e27da2c3ebef1b10ed2e95b0b51bb7f68. 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/1V7pDPQxA1dcadc0YkuiE4.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/1V7pDPQxA1dcadc0YkuiE4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a07bb737669ffe29a9ebb6c587e1a152c37a8de34b208ca11705e0a44a13d29. 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/4tdsB64fhka293GrZJduFu.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/4tdsB64fhka293GrZJduFu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32c35a2eea3408b223e44397da0aa7b1a1ab429456eb6c8d71ae6b32032c7ee. 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/2ECTmisB8qMkyWSnzrcel0.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/2ECTmisB8qMkyWSnzrcel0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x684fea058df350d8d7a96333079e32c3411dab53694d8aa0b296a0bcf059a35b. 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/7MXLDflYCQZRwCZoBwZsms.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/7MXLDflYCQZRwCZoBwZsms.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fdf39e871f2211997dace3eae66e449af67ac69de2a5f475e67cb526486f5ca. 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/2iSa8HScT2vqY2Zcyu612W.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/2iSa8HScT2vqY2Zcyu612W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x917a3176fa5b723747adf94735984b38bb57cf43557cea96c5ba768514f7551f. 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/3A2FcMhT3wbxS2uRRnjStK.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/3A2FcMhT3wbxS2uRRnjStK.
{"copyright_id":"0xbafdcae8ddaac673f7c3945cd5f0077c85891ffd44ae7d207332416e239ee688","isrc":"JPPO02102970","name":"Bye by me","registered_at":"2026-06-26T02:06:00Z","spotify_id":"3SyEABaWdmaVM6tM8DLVUn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbafdcae8ddaac673f7c3945cd5f0077c85891ffd44ae7d207332416e239ee688. 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/3SyEABaWdmaVM6tM8DLVUn.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/3SyEABaWdmaVM6tM8DLVUn.
{"copyright_id":"0xf4260b73f9f1e71410c7d1bc4ad38e6146b66db8fec6fe55f6759e1129ed6788","isrc":"USA2P2516634","name":"きみのヒーロー (English ver.)","registered_at":"2026-06-19T04:49:37Z","spotify_id":"0JaSXSXEvngIAWnsYGcy2S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4260b73f9f1e71410c7d1bc4ad38e6146b66db8fec6fe55f6759e1129ed6788. 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/0JaSXSXEvngIAWnsYGcy2S.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/0JaSXSXEvngIAWnsYGcy2S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72710701f055f93f4545cfb4e0067bac2efdc11304a9159b935e498d539b83de. 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/5yx8EZA8L9CCWGYj4haNvU.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/5yx8EZA8L9CCWGYj4haNvU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6fd2d6d099392ca464c48fa26e838ab38d63e7c7c89f90763d2e90e9ee4cf80. 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/72mV4ZPL2UBGwgWyqdllIx.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/72mV4ZPL2UBGwgWyqdllIx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61d2061d1c8ed11e3f260e4668890f80259fc77d9a5f83f2314f5cd7f9d4fc8. 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/3sNguFZczBhaFLpjgXXxjb.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/3sNguFZczBhaFLpjgXXxjb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75aad98de657da72dadc1c48b03614c90c8aaf3efbf8415882676a1ff82e38a7. 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/7nYoEvr98j8t3wQHTpgK9t.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/7nYoEvr98j8t3wQHTpgK9t.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373d6d39cd8e7946c065b9f9a439f4fc061d71405aa20d5ddd0fc78790395be4. 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/2QV5eAecmCrM6Ke4eBoVs6.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/2QV5eAecmCrM6Ke4eBoVs6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76f053f97d86c5997bc3b312ca706b12bdffa094c16bd33f1c74e6e641f73080. 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/0GFwrCxvZbomCjtYOKutei.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/0GFwrCxvZbomCjtYOKutei.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e523a401bad7d62da7331c05e5917e2519cb46487791ee7a23ea0c76a75eb3. 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/5ZgYyAwR3l4ATXnq250GzV.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/5ZgYyAwR3l4ATXnq250GzV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x974b74713ff874c6ab3a25e9c75f6dfbe95679fc87f5e3974926ec77d8199a48. 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/6hnTkVd9mcjV1Y7AzZ83rx.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/6hnTkVd9mcjV1Y7AzZ83rx.
それはまるで映画みたいな恋だった。
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5c6b847019b19faeb58cec95164911091583e214b5a5ff841b4fa3ac8c0410. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5W5zSr47vFubg6pCPQyWc0.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/5W5zSr47vFubg6pCPQyWc0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e523a401bad7d62da7331c05e5917e2519cb46487791ee7a23ea0c76a75eb3. 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/11h0I8XkBVcxB4meUEbd1a.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/11h0I8XkBVcxB4meUEbd1a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x974b74713ff874c6ab3a25e9c75f6dfbe95679fc87f5e3974926ec77d8199a48. 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/3Jomx0rvmMmSE9EBdoUV4F.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/3Jomx0rvmMmSE9EBdoUV4F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5c6b847019b19faeb58cec95164911091583e214b5a5ff841b4fa3ac8c0410. 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/1ZAVhh8I0lwqsvoIeyGzCW.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/1ZAVhh8I0lwqsvoIeyGzCW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98999c65877a7350735549f0f7efa8dd44fe9e6887cbe65bd656ea7ade17c720. 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/2ZYJWl6MQtmDovp1LGRwPe.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/2ZYJWl6MQtmDovp1LGRwPe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28d7c92711ddabd8a5e6ea97ac9b86fa4ef0ffdc06a0a6fb26b5313aaed31412. 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/5ELTqKTJL8CMEhpTNECmWz.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/5ELTqKTJL8CMEhpTNECmWz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419ab8f5b97afc9b240d5b9af1f39180e38e1fcfce99d015b1824247c9bd53ae. 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/13o6i5M7Cs1J9bnvym4MwZ.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/13o6i5M7Cs1J9bnvym4MwZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c569dd0bee513d671635305ea0f6bdb051ed004871b71829d8d67dcd2a91726. 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/0cnWM8edjXAGUCxmjjGQJu.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/0cnWM8edjXAGUCxmjjGQJu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376f8178f9925a07a68add72e1438c549b28f6e75f238be8cc4614d8a64ae0a1. 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/0hKvNiIKPQqHh4iYmOOGp8.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/0hKvNiIKPQqHh4iYmOOGp8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05a5234384e1eda609c7bf788cda046332b312adfd8acc8195a272c79964025d. 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/7paYT3j1hydzIAsQnt7zbX.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/7paYT3j1hydzIAsQnt7zbX.
{"copyright_id":"0xe8946ff375d8cd58f1d985ed08334da022b58f6298221a73f750793e35d41ed6","isrc":"JPPO02102971","name":"好きにさせた癖に - Studio Live Version","registered_at":"2026-06-23T17:29:15Z","spotify_id":"4HtZGcBFjdBe8mnfEgFWMN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8946ff375d8cd58f1d985ed08334da022b58f6298221a73f750793e35d41ed6. 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/4HtZGcBFjdBe8mnfEgFWMN.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/4HtZGcBFjdBe8mnfEgFWMN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32c35a2eea3408b223e44397da0aa7b1a1ab429456eb6c8d71ae6b32032c7ee. 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/79opB3y3mXCF10siky4voZ.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/79opB3y3mXCF10siky4voZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x726c45c87424256f5dbf92423f121c7f04ecebef52e9894e4c889e6e7d325782. 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/2zx7bUVxgz2XBqFODvrTdW.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/2zx7bUVxgz2XBqFODvrTdW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098c5983d432cde56e685c5a4cf3706402d7c7d794651998fd4769131024ce9e. 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/6hluoOQXHfEYhLJBH0lv1Q.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/6hluoOQXHfEYhLJBH0lv1Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d417c47c837b6128e1fad7df4f34f2119e7d24534227241600e6fbb2a49573. 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/0gLLZfnNSaFn1QejC86sS4.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/0gLLZfnNSaFn1QejC86sS4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571286c19a311da20e17e0963ec26d3abd3ad5d4b9a38fa31a4035fc49f926da. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6jKtS5ZswV1FjNmYGFWaUq.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/6jKtS5ZswV1FjNmYGFWaUq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571286c19a311da20e17e0963ec26d3abd3ad5d4b9a38fa31a4035fc49f926da. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0PQte8jaZY6wbIuL0DI7uP.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/0PQte8jaZY6wbIuL0DI7uP.