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 0x3552158640aacd2afba39f66f89bdd32d4322775e750487efec6f1f3363bf2cf. 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/dd3c3621-74f2-4679-b9f7-a5c7a0c96703.json and https://artists.proofprofile.net/proofs/artist/dd3c3621-74f2-4679-b9f7-a5c7a0c96703.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x34dbd9256e6dd6a3e96c9ef8c737e0e5bd44659fb10f41e3201b0aa0404526ce","isrc":"JPPC08700310","name":"Kanashimi no Etranger","registered_at":"2026-06-23T17:07:42Z","spotify_id":"2MZBAwiOy38gJQAf2QqTEw","type":"track"}
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 0x34dbd9256e6dd6a3e96c9ef8c737e0e5bd44659fb10f41e3201b0aa0404526ce. 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/2MZBAwiOy38gJQAf2QqTEw.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/2MZBAwiOy38gJQAf2QqTEw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dea668e99d1fceb623e39e7ab2f03d0bc1ba45eb518715f46df8f566d98b3ea. 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/1vUpevMVwcympwLp3Vk4yu.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/1vUpevMVwcympwLp3Vk4yu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116. 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/559Z3sS99djTsKWrlcnZSJ.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/559Z3sS99djTsKWrlcnZSJ.
{"copyright_id":"0x63b57acc2a7f2fb3d24ba0b2b0a2ed88b0e317be856a330db84589cf66905cef","isrc":"JPPC08700330","name":"Arashi no Yoru no Serenade","registered_at":"2026-06-18T22:07:54Z","spotify_id":"7e45Uis4cQ7WD3j2zIaX13","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b57acc2a7f2fb3d24ba0b2b0a2ed88b0e317be856a330db84589cf66905cef. 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/7e45Uis4cQ7WD3j2zIaX13.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/7e45Uis4cQ7WD3j2zIaX13.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61df265fe8321d29b167cdf7642800fdfe5c525ff54cfb0a7d4896d43cba8886. 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/3niJtaYKCOXBOqiP5Z1em2.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/3niJtaYKCOXBOqiP5Z1em2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x988a09c4971cd5602697ce2029b3f7af39d759df27fe21a294254504be7c329f. 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/3oseRVLoCx4uqwRry8afAF.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/3oseRVLoCx4uqwRry8afAF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43f9b881e5226467879636a6bc3a1534f89d75ffdea9646b570d18cd535e2030. 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/43SQzETA4EpsNtD7do94e7.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/43SQzETA4EpsNtD7do94e7.
Kanju Shizuka Kudo 35th Anniversary Self-Cover Album (Deluxe Version)
Kanjyu Shizuka Kudo 35th Anniversary self-cover album
{"copyright_id":"0xf54e37c491151ca65662152ea2fd111bbb58ea0b24788f07b9cf8b5882ae7e4c","isrc":"JPPC09101740","name":"Mechakuchani Naite Shimaitai","registered_at":"2026-06-27T17:30:28Z","spotify_id":"44aP5Ykloven1igTEYmuVC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54e37c491151ca65662152ea2fd111bbb58ea0b24788f07b9cf8b5882ae7e4c. 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/44aP5Ykloven1igTEYmuVC.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/44aP5Ykloven1igTEYmuVC.
My Heartful Best - Goro Matasui Collection -
My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dea668e99d1fceb623e39e7ab2f03d0bc1ba45eb518715f46df8f566d98b3ea. 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/43287QoV9FcMAYpQSVwTvE.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/43287QoV9FcMAYpQSVwTvE.
{"copyright_id":"0x55c1959d56c92d2e220f774fe2be43c268d311a771fc4d11d06a715dbc7b6b24","isrc":"JPPC08800600","name":"Sayonara no Gyakusetsu","registered_at":"2026-06-26T01:09:16Z","spotify_id":"4E1mRkLJuEdxBPwONk3MZS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55c1959d56c92d2e220f774fe2be43c268d311a771fc4d11d06a715dbc7b6b24. 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/4E1mRkLJuEdxBPwONk3MZS.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/4E1mRkLJuEdxBPwONk3MZS.
{"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"13LfuPrUO1pBUo48pvafdM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116. 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/13LfuPrUO1pBUo48pvafdM.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/13LfuPrUO1pBUo48pvafdM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71. 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/6zm49ebPClfMFR0oPfSKgj.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/6zm49ebPClfMFR0oPfSKgj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x953fe230e62f7ff5f6a17e1eb064fdb07124f1d56c662407301e1969a95da997. 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/5aNTc2L2QMOr6xF2qav5IM.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/5aNTc2L2QMOr6xF2qav5IM.
Shizuka Kudo "20Th Anniversary B-Side Collection"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be98007b67ef813581a5f92579df0c6962a85fc9902157a0ddbe1b6091a36a2. 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/27kypNke3gn3BpotyFwVPX.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/27kypNke3gn3BpotyFwVPX.
My Precious - Shizuka Sings Songs of Miyuki -
{"copyright_id":"0x1983b968dceb0a3842663e15c49a2e6e4b71d46f9425611ca89588e5f73b8aac","isrc":"JPPC00801249","name":"Gin no Ryuu no Se ni Notte - Cover","registered_at":"2026-06-10T21:52:28Z","spotify_id":"2e4dZbIaWjC9bS3YoIdXMQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1983b968dceb0a3842663e15c49a2e6e4b71d46f9425611ca89588e5f73b8aac. 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/2e4dZbIaWjC9bS3YoIdXMQ.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/2e4dZbIaWjC9bS3YoIdXMQ.
{"copyright_id":"0xb5f612d38fd55435baa5fa36a165f2232e70443502f04b6fe9abbb0ac30e2d6a","isrc":"JPPC00801257","name":"Sorafune - Cover","registered_at":"2026-06-27T17:31:10Z","spotify_id":"16Y24g1NkbeGORQEJQNufS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5f612d38fd55435baa5fa36a165f2232e70443502f04b6fe9abbb0ac30e2d6a. 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/16Y24g1NkbeGORQEJQNufS.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/16Y24g1NkbeGORQEJQNufS.
Shizuka Kudo 20th Anniversary the Best (Standard Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dd25117cc6bf2e911c77d62814de65d66870ac1deec391b394b4e1e866d51ba. 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/2fqog8tU5act6sGBi0O4ui.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/2fqog8tU5act6sGBi0O4ui.
Mechakucha ni Naite Shimaitai - 2007 Jazz Version
{"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"6Q3QfniiR4MuCIgoQxX2lf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116. 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/6Q3QfniiR4MuCIgoQxX2lf.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/6Q3QfniiR4MuCIgoQxX2lf.
{"copyright_id":"0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975","isrc":"JPPC08800530","name":"Mugo N…Iroppoi","registered_at":"2026-06-07T09:38:16Z","spotify_id":"6N3mPsxGroj4eRcB1zyTek","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975. 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/6N3mPsxGroj4eRcB1zyTek.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/6N3mPsxGroj4eRcB1zyTek.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c. 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/4Iwlptb6HTdNQ6WVFmcnPl.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/4Iwlptb6HTdNQ6WVFmcnPl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690. 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/2lf68oM7fO5Jlr7tH8gcwQ.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/2lf68oM7fO5Jlr7tH8gcwQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713. 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/6L1xelFTQ4lV4k00MK51Xr.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/6L1xelFTQ4lV4k00MK51Xr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3499124cc05574e9b6923302eba7c2d4630d3f5ae68f4d809b28cafeefa39032. 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/7xz4FBo2X2NDZFWPQVWLhf.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/7xz4FBo2X2NDZFWPQVWLhf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48adbf878f23ea564ea6186ad1b7204bf3a596ef5517c453f819ebe57d0a2134. 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/0ja7CPtemegzcL6rPA62zz.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/0ja7CPtemegzcL6rPA62zz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x258deaaca760bfd86dcdd044ac3928c272297ec4659488fb942de12de20f0020. 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/1bVbcbEzAd4LNqmE4U5j07.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/1bVbcbEzAd4LNqmE4U5j07.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3499124cc05574e9b6923302eba7c2d4630d3f5ae68f4d809b28cafeefa39032. 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/5A8Ol39jeXCzbuFQbEdRRF.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/5A8Ol39jeXCzbuFQbEdRRF.
{"copyright_id":"0xf54e37c491151ca65662152ea2fd111bbb58ea0b24788f07b9cf8b5882ae7e4c","isrc":"JPPC09101740","name":"Mechakucha ni Naite Shimaitai","registered_at":"2026-06-27T17:30:28Z","spotify_id":"4KfpnjvQmJ9HYOCElDqaxp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54e37c491151ca65662152ea2fd111bbb58ea0b24788f07b9cf8b5882ae7e4c. 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/4KfpnjvQmJ9HYOCElDqaxp.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/4KfpnjvQmJ9HYOCElDqaxp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1758d1df47f6b6440150c26ccc60a6a36266fcd8efaf119905af3fdde982566. 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/6QGgVK3pGcmWJKY6ItBl1U.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/6QGgVK3pGcmWJKY6ItBl1U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690. 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/2aIrAMXUknhJcLkfNT0AOU.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/2aIrAMXUknhJcLkfNT0AOU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c. 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/2En27uIbInFVj46vHbY8gJ.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/2En27uIbInFVj46vHbY8gJ.
Daite Kuretara Iinoni - Vocal New Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690. 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/4GNuDddXgzLgnxdmTCTIn5.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/4GNuDddXgzLgnxdmTCTIn5.
{"copyright_id":"0x336ece748991a24ab3a1eabdbaddfee7fa0ae69c3db4cfbe9320454dafa9747e","isrc":"JPPC09000770","name":"Senryu no Shizuku","registered_at":"2026-06-27T19:48:15Z","spotify_id":"3OOkGpFUK7oc9trEgvu3Zl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x336ece748991a24ab3a1eabdbaddfee7fa0ae69c3db4cfbe9320454dafa9747e. 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/3OOkGpFUK7oc9trEgvu3Zl.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/3OOkGpFUK7oc9trEgvu3Zl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713. 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/6wmLfPw3CH9Cde3LqquJ0b.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/6wmLfPw3CH9Cde3LqquJ0b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2e798e4ccea35c5e3a317e9199991344ffe4443f12d71760d4712b15074d9a1. 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/3iq4tKdHzghtrNCypJjd46.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/3iq4tKdHzghtrNCypJjd46.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690. 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/7dkWkrsHzKt1Jr4TrCfJZS.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/7dkWkrsHzKt1Jr4TrCfJZS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c. 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/4ZZcIXWYhiUsWCVR2aznLx.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/4ZZcIXWYhiUsWCVR2aznLx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2e798e4ccea35c5e3a317e9199991344ffe4443f12d71760d4712b15074d9a1. 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/6NKbpEQKt5w4uaV7veicdc.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/6NKbpEQKt5w4uaV7veicdc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61df265fe8321d29b167cdf7642800fdfe5c525ff54cfb0a7d4896d43cba8886. 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/7EVBNbrZ5LsGmJQKV54LFM.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/7EVBNbrZ5LsGmJQKV54LFM.
{"copyright_id":"0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975","isrc":"JPPC08800530","name":"Mugo N…Iroppoi","registered_at":"2026-06-07T09:38:16Z","spotify_id":"5glngcx2zSAHgBrgJ6uSkO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975. 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/5glngcx2zSAHgBrgJ6uSkO.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/5glngcx2zSAHgBrgJ6uSkO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71. 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/00XIHYPQVEAuN8bEHUQqZs.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/00XIHYPQVEAuN8bEHUQqZs.
{"copyright_id":"0xd24bff30f9cea9e693f687b7980de12eaa1c69e384f29d3b724c94a09f98642f","isrc":"JPPC08800510","name":"Natsu ga Kureta Miracle","registered_at":"2026-06-10T07:55:25Z","spotify_id":"6JCjdpAKHCLjvc98YkeEjS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd24bff30f9cea9e693f687b7980de12eaa1c69e384f29d3b724c94a09f98642f. 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/6JCjdpAKHCLjvc98YkeEjS.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/6JCjdpAKHCLjvc98YkeEjS.
{"copyright_id":"0x7d991c6a28ec94e96e29cdbaeca42f3cc6a40ba4082b2a61b7c2761e71f81ce8","isrc":"JPPC08800470","name":"Daite Kuretara Iinoni","registered_at":"2026-06-22T09:42:06Z","spotify_id":"0FTQ3eBr1ZCsGUeSqTOF18","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d991c6a28ec94e96e29cdbaeca42f3cc6a40ba4082b2a61b7c2761e71f81ce8. 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/0FTQ3eBr1ZCsGUeSqTOF18.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/0FTQ3eBr1ZCsGUeSqTOF18.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x953fe230e62f7ff5f6a17e1eb064fdb07124f1d56c662407301e1969a95da997. 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/1P7LpnQUgolT66jtuzph8S.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/1P7LpnQUgolT66jtuzph8S.
Shizuka Kudo - Night Tempo Presents The Showa Groove
Arashi no Sugao - Night Tempo Showa Groove Mix
{"copyright_id":"0x2d6c624e0ffa3502803346ad8c1f3e507060c4afd6f89f839b424bda2ba22526","isrc":"JPPC02001013","name":"Arashi no Sugao - Night Tempo Showa Groove Mix","registered_at":"2026-06-21T22:08:37Z","spotify_id":"1JzP7w3mOjuGmLtF46tPg4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d6c624e0ffa3502803346ad8c1f3e507060c4afd6f89f839b424bda2ba22526. 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/1JzP7w3mOjuGmLtF46tPg4.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/1JzP7w3mOjuGmLtF46tPg4.
Wine Hitokuchi no Uso - Night Tempo Showa Groove Mix
{"copyright_id":"0xe67940387a9abaaa14b430562ffdb413d670071ab25eb65264a49094a4cd2a08","isrc":"JPPC02001014","name":"Wine Hitokuchi no Uso - Night Tempo Showa Groove Mix","registered_at":"2026-06-23T02:03:47Z","spotify_id":"01k1w4GbxAVEcgry1mnUF3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe67940387a9abaaa14b430562ffdb413d670071ab25eb65264a49094a4cd2a08. 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/01k1w4GbxAVEcgry1mnUF3.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/01k1w4GbxAVEcgry1mnUF3.