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 0x330b0ba332a2bd9716f21112920ce586a1384dbe975b3d95d8a44ea80e2257b9. 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/518ec73a-7e3b-4e55-8afb-37692ab32ba9.json and https://artists.proofprofile.net/proofs/artist/518ec73a-7e3b-4e55-8afb-37692ab32ba9.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 0x12180904299fafa0aaae5cdf9083a69b3c9599552d033dee18c6c4b25329200e. 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/2NTO6h8xuH2PDwqyRrNGc7.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/2NTO6h8xuH2PDwqyRrNGc7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc397ec1d295c72ff859e600069c92f50654ba1eeb97cba9977a69f9275350fb. 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/5H4G0URWqLf6sZ6lypKRU9.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/5H4G0URWqLf6sZ6lypKRU9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x492f14a2b9cad4c5010cd0c098554c83b96a8f56ac8bee0f20b0d1f01871e0cb. 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/36zUFdffVBlDpiMdWD4L1z.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/36zUFdffVBlDpiMdWD4L1z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8124f46937e5404c83b0824c6fd095e40283706688ccf0368c4412677fb0380. 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/0I35HjBOQ8WtGJWXmi3zXp.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/0I35HjBOQ8WtGJWXmi3zXp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x536e5d6c28c429ae3d8851753570d909184f1acc1c44fb68089f73537fd2f5db. 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/60cMEcPrVoGeunnoPh9goR.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/60cMEcPrVoGeunnoPh9goR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd1cecff3392e727c00c7d5c44a296e2f37befc1140f744ba4dffbd145d44e98. 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/5AF2wcOGWK4zWs56ALqXv2.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/5AF2wcOGWK4zWs56ALqXv2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc62ea88382609d5838678d762cc596527fda4d76377a91d81041f91b444b3dd6. 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/3hFr7e0oqPdTDCBiQqWZi6.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/3hFr7e0oqPdTDCBiQqWZi6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6fc3ee243372edbfe54b631a232e8bcd1b4ac3f31bbd595447ae7100b55eac. 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/20L6BKoxEgLDpUC8agnTAD.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/20L6BKoxEgLDpUC8agnTAD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10797b72e43bec151935b56fab5ce75b9ce497161797dbbbd0bba0211304384d. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:39:15Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/69yDjGp2LEGaIESWP3hEGy.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/69yDjGp2LEGaIESWP3hEGy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c51faaa0ec775a63f9948c9aabf7ce5404d38c084f1c9089b1483efbc5453f5. 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/6l563RF8p86J2FVnLWam1o.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/6l563RF8p86J2FVnLWam1o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4123936f0689a4fd007e10d95b7efb676efd76dade3848bbfc8e5ed6fb9470d. 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/1LjvDzDyynnaZJSoRKkn6N.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/1LjvDzDyynnaZJSoRKkn6N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d23c17a947badcdc0fae6c468ab238b12616bd631fa8c8318055933d8857773. 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/0dHHmbK3PFFxibxjme4H3r.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/0dHHmbK3PFFxibxjme4H3r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6568a5827b4017965b6ee873c51023c5f0d7b3559a8efee5e204c06e9d0dd2f8. 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/4XMOa7jFr7wTLxfHZZMbY2.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/4XMOa7jFr7wTLxfHZZMbY2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a4788342b43a9099c648dea708404438806855939381c795af67354a85e9d03. 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/0jTNuNdT8s0OstLRh2uetj.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/0jTNuNdT8s0OstLRh2uetj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7dac4370e4f95e72d7116797de176920aa8a952955192be0bfefc12bb123ad1. 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/2QTyOLYHGeuFbASAZmVnAA.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/2QTyOLYHGeuFbASAZmVnAA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99f3da5f112ddb246978def3c984f5cc2c66e9c1f5e29ba3a2d62c0a28d8a09a. 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/2f5gvGnvOahixBchOOQN9l.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/2f5gvGnvOahixBchOOQN9l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b244547124fd66a430c57028e357b277a018543719b33e901a8b9160dbb412. 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/78LQbYpzQcUemp6keJ1S3y.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/78LQbYpzQcUemp6keJ1S3y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8753e2b53656817a5411d0ae9d81289542074dd12df903565b8faad9cf50239c. 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/43ebozjj4yVxF3xizf4yDu.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/43ebozjj4yVxF3xizf4yDu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe161404301a7cce9693a89234e0aae85e363021bcd07cfc5b1df68c2f9252a12. 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/0D7UXMYIVz8caD6c8HHs3F.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/0D7UXMYIVz8caD6c8HHs3F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x045617a286763e758d6d0c3dbb0767484192bad3dfd064f2e4e8bb27a63080dc. 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/67I8m8fbTajbhKXbZuLcE5.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/67I8m8fbTajbhKXbZuLcE5.
{"copyright_id":"0xd22436310567afecefbee732f6f5e999b38264f414639b7a09c6a6de24fc3afc","isrc":"JPY392301683","name":"虎視眈々 - Happy Merry Xmath - Cover","registered_at":"2026-06-27T18:15:04Z","spotify_id":"2r7XvRrGIiUQlv5PZTNjtO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd22436310567afecefbee732f6f5e999b38264f414639b7a09c6a6de24fc3afc. 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/2r7XvRrGIiUQlv5PZTNjtO.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/2r7XvRrGIiUQlv5PZTNjtO.
Deal with the devil - Happy Merry Xmath - Cover
{"copyright_id":"0x7f148c0237ae5f1bda6ffa06a099e12d6140a3a45294822926d1eaf8ba178ac9","isrc":"JPY392301697","name":"Gimme×Gimme - Happy Merry Xmath - Cover","registered_at":"2026-06-26T02:09:22Z","spotify_id":"6Qj86BcYkImTVyRyH5ZWSn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f148c0237ae5f1bda6ffa06a099e12d6140a3a45294822926d1eaf8ba178ac9. 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/6Qj86BcYkImTVyRyH5ZWSn.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/6Qj86BcYkImTVyRyH5ZWSn.
{"copyright_id":"0xf4e4c15c8478da5c5444e01e93ac4ea5bd8cb5686c99ae8993c9ec1394a1561f","isrc":"JPY392301703","name":"東京は夜 - Happy Merry Xmath - Cover","registered_at":"2026-06-26T01:54:21Z","spotify_id":"4yzhq9jh0NQpZ2uRpvFzB3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4e4c15c8478da5c5444e01e93ac4ea5bd8cb5686c99ae8993c9ec1394a1561f. 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/4yzhq9jh0NQpZ2uRpvFzB3.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/4yzhq9jh0NQpZ2uRpvFzB3.
Ready Steady - Happy Merry Xmath - Cover
{"copyright_id":"0xe55c2fd4924444c11777d0862bdd966c37dd26c6b50406fac97e84246fd5e6f1","isrc":"JPY392301685","name":"Ready Steady - Happy Merry Xmath - Cover","registered_at":"2026-06-27T18:16:16Z","spotify_id":"6Wt2QU4v6RDq3OsbR8Cpjw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe55c2fd4924444c11777d0862bdd966c37dd26c6b50406fac97e84246fd5e6f1. 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/6Wt2QU4v6RDq3OsbR8Cpjw.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/6Wt2QU4v6RDq3OsbR8Cpjw.
{"copyright_id":"0x247ddc0d9596a7dcc861a01a2306410516ffd0386de8d32585f165161c9d6ff2","isrc":"JPY392301693","name":"asphyxia - Happy Merry Xmath - Cover","registered_at":"2026-06-27T18:15:19Z","spotify_id":"4o4Ee03eHOQaNOaAhNtCYC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x247ddc0d9596a7dcc861a01a2306410516ffd0386de8d32585f165161c9d6ff2. 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/4o4Ee03eHOQaNOaAhNtCYC.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/4o4Ee03eHOQaNOaAhNtCYC.
{"copyright_id":"0x0de23f0cbc36d3cd57c8b61e68546f5b28b35fa95b0dd233310ce7972167ad0b","isrc":"JPY392301698","name":"G4L - Happy Merry Xmath - Cover","registered_at":"2026-06-26T01:57:22Z","spotify_id":"5QQJjQJyVn3kdMTWEA2vnt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de23f0cbc36d3cd57c8b61e68546f5b28b35fa95b0dd233310ce7972167ad0b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5QQJjQJyVn3kdMTWEA2vnt.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/5QQJjQJyVn3kdMTWEA2vnt.
{"copyright_id":"0x8e8c73a8883f21fd200b8595e89a7e61cb1591915d2cdcd0062f8b3e7ade11a8","isrc":"JPY392301687","name":"どれにしようかな - Happy Merry Xmath - Cover","registered_at":"2026-06-26T01:57:57Z","spotify_id":"71RDTkrN6Es7yUiOMuGFIe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e8c73a8883f21fd200b8595e89a7e61cb1591915d2cdcd0062f8b3e7ade11a8. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71RDTkrN6Es7yUiOMuGFIe.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/71RDTkrN6Es7yUiOMuGFIe.
{"copyright_id":"0x373e8b2068edf98ee8a94aa20511f4ad0e130a5989912ce3faefd443dd981734","isrc":"JPY392301699","name":"火焔 - Happy Merry Xmath - Cover","registered_at":"2026-06-27T18:14:22Z","spotify_id":"5y5HcUK1m5xDTqPRPpbMRt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373e8b2068edf98ee8a94aa20511f4ad0e130a5989912ce3faefd443dd981734. 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/5y5HcUK1m5xDTqPRPpbMRt.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/5y5HcUK1m5xDTqPRPpbMRt.
Departures～あなたにおくるアイの歌～ - Happy Merry Xmath - Cover
{"copyright_id":"0x7455ed40edd7555735620540ed10468c5c4d8745fd890cfc144a5e8933f027b2","isrc":"JPY392301696","name":"Departures～あなたにおくるアイの歌～ - Happy Merry Xmath - Cover","registered_at":"2026-06-26T01:55:41Z","spotify_id":"72yFw85UUUVfPjzCpyov9q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7455ed40edd7555735620540ed10468c5c4d8745fd890cfc144a5e8933f027b2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/72yFw85UUUVfPjzCpyov9q.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/72yFw85UUUVfPjzCpyov9q.
Cover Live Album「SINSEKAI SPECIAL COVER LIVE」
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81cf781acaf865b1d198b49f497450813fd05301478539bfb38c028c2d8e8de3. 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/4rSokMaA2acEA35AWIr1Tx.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/4rSokMaA2acEA35AWIr1Tx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabdcc403119735cb9a796454d4cc86550891b7fb6472fbfb33667cb1776139cf. 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/6KYbUq42IEj4Smm71l58Ei.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/6KYbUq42IEj4Smm71l58Ei.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd297e0db86c0c03763a78161c997da9dae468c0055651c333e841c4c6de20cda. 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/3fn8c9cZigaBR9Mc0ZThCr.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/3fn8c9cZigaBR9Mc0ZThCr.
{"copyright_id":"0x39fed318cddd3b24afcd4028db752067a12aa1e507cc0e2d0dd3f08f1531b231","isrc":"JPY392200769","name":"花となれ - Live","registered_at":"2026-06-11T14:37:49Z","spotify_id":"7jBevECIYufjgB8LINqJ1Q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39fed318cddd3b24afcd4028db752067a12aa1e507cc0e2d0dd3f08f1531b231. 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/7jBevECIYufjgB8LINqJ1Q.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/7jBevECIYufjgB8LINqJ1Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12180904299fafa0aaae5cdf9083a69b3c9599552d033dee18c6c4b25329200e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7kDt0jXe7VCuQjoNgWDYnf.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/7kDt0jXe7VCuQjoNgWDYnf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50830fd18d2fd233a5ad65b88c92eec1746aa841c9f68a3e78bcbb74f648b74c. 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/5UTRX8S6k1MHCpiSSOnkNI.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/5UTRX8S6k1MHCpiSSOnkNI.
{"copyright_id":"0xa24c6a6dd371eec8d7981e2223d3bbb2e8b7c642bdd72ffa6819980dcff4be66","isrc":"JPPO02104037","name":"GAME OVER","registered_at":"2026-06-24T11:07:44Z","spotify_id":"6o2rXYdgmS8ORNFSuATUQm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa24c6a6dd371eec8d7981e2223d3bbb2e8b7c642bdd72ffa6819980dcff4be66. 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/6o2rXYdgmS8ORNFSuATUQm.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/6o2rXYdgmS8ORNFSuATUQm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa07bf83af0d82b2722850fcba257406ac4661f74ed6118ca7a5d73235b5fb55d. 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/3UClLAD1WjiMK69D1Dn52m.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/3UClLAD1WjiMK69D1Dn52m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94402feb0df6580cd137f9b7bba383f3c02749ff70533869c5e63fede66e78f. 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/6zfkF8ktP4TPCClMxdXkNR.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/6zfkF8ktP4TPCClMxdXkNR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc62ea88382609d5838678d762cc596527fda4d76377a91d81041f91b444b3dd6. 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/54npfPQeZUZuczTQyJPzd5.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/54npfPQeZUZuczTQyJPzd5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b244547124fd66a430c57028e357b277a018543719b33e901a8b9160dbb412. 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/3knrA99MUXDTHFNepUGICY.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/3knrA99MUXDTHFNepUGICY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d23c17a947badcdc0fae6c468ab238b12616bd631fa8c8318055933d8857773. 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/32zXRIjEVUOgrLx9hmWfw8.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/32zXRIjEVUOgrLx9hmWfw8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4123936f0689a4fd007e10d95b7efb676efd76dade3848bbfc8e5ed6fb9470d. 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/3fOTNtR86bc8UqTzw3oXHS.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/3fOTNtR86bc8UqTzw3oXHS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x536e5d6c28c429ae3d8851753570d909184f1acc1c44fb68089f73537fd2f5db. 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/7wxxDXJtTsim6mZobCxsMR.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/7wxxDXJtTsim6mZobCxsMR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12180904299fafa0aaae5cdf9083a69b3c9599552d033dee18c6c4b25329200e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1XaomD2MF819XYDekBnmN2.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/1XaomD2MF819XYDekBnmN2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa5ab083bc2b7d80baf0ddb5a618f55a07e90b66f3124cdcdfbe011cf6d94ce. 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/07UK1RF8NeajtQylVd4hEE.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/07UK1RF8NeajtQylVd4hEE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ac04cf670e0b9772d8a3e9b0b678e2c59222791d7199d5005518f004a1c559. 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/7CYb6lKf7viTtM29MqSjvA.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/7CYb6lKf7viTtM29MqSjvA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb9e117503606bbfdd22be5737ad78b7433aa17e0c2ea39c8abe3ef6544e8144. 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/3jimym7atkltAsiQjxQzyE.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/3jimym7atkltAsiQjxQzyE.
{"copyright_id":"0xb7d1cfdfa7f4077aa117baa7c0743ab602fa34df8b354185d33186ca1d992764","isrc":"JPY392301624","name":"friction - Remix feat. 梓川","registered_at":"2026-06-10T16:25:19Z","spotify_id":"2csDmv3g55lSjZob3QJYQf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d1cfdfa7f4077aa117baa7c0743ab602fa34df8b354185d33186ca1d992764. 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/2csDmv3g55lSjZob3QJYQf.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/2csDmv3g55lSjZob3QJYQf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ab256272a623e19a69e4204660ad4bfdcb4e58afae6e830ca4a41e170b0dda. 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/2eZ09y1TYKOXJR14GmU3Bf.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/2eZ09y1TYKOXJR14GmU3Bf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4123936f0689a4fd007e10d95b7efb676efd76dade3848bbfc8e5ed6fb9470d. 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/7ppicQOIZ3kEyoNsgDD5ko.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/7ppicQOIZ3kEyoNsgDD5ko.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaabe179b335c0719003349501bd7260fc524145ab65ea4d5114a9b63a09b254. 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/0XqK0xiEv735EQ9Q2JwOOr.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/0XqK0xiEv735EQ9Q2JwOOr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x190eb57894bad09396d3fe9cbefaddcb23a323d08e9c445488500f2d9929453b. 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/0SrojilvJsX1nKDaBWWwRq.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/0SrojilvJsX1nKDaBWWwRq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6157d87d437d31a9266a9b78a99bfed5e0d1210008a55b91ec96ccb4efc6e8. 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/6LbAEzPmvzU0gitLIkBgwu.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/6LbAEzPmvzU0gitLIkBgwu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fe73ce3cbc7b926d02c1ef9ed12937f2d4e7c47dbef470bb4a821147eb21144. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1AZgR5XFLYgVzwH4pMAgdd.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/1AZgR5XFLYgVzwH4pMAgdd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8d52d33652fa796c46a21442058eeb87e6691b25a3ffe38141a41368ba9ead. 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/4V7yVtF7CWTJFWD9iifLZr.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/4V7yVtF7CWTJFWD9iifLZr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93d6e295e39f508c0b8d3c8d99939a5fce754d1988a66babc8c655aacc72027f. 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/4YNKDyRJKp0zB8BzuuJKYY.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/4YNKDyRJKp0zB8BzuuJKYY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9489feffd9cbfc620f65c619e916fbcbc491ed77cfef01f5530219befde0ecb8. 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/69MjWRCuDOwSGpYmR9k6W5.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/69MjWRCuDOwSGpYmR9k6W5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f5143e701c32cd80f1b444289b4dca034070c5d817242211ae636965e3cbf2. 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/7HiZfKoiW3U6igogWZBfqx.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/7HiZfKoiW3U6igogWZBfqx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce83e5e4cd24d3e813f3c14af5c1fea77c6d9089d47759d0a5e3cc9b25bfaff. 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/4gq8Dzw6zWONxgrhYEsTpV.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/4gq8Dzw6zWONxgrhYEsTpV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc16b78cecbe5ae4d28167af48565b17caa29631cddd73c39c521b2d8eec9e5. 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/59IAsNWwxFZ3F0Al55Ic0Q.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/59IAsNWwxFZ3F0Al55Ic0Q.