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 0xf647bebe80ea3f8f6661df12754d42bc66fb2c55ee15db1436346f6346740716. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cce50e3e-2e88-4b36-9f9d-5cc154771661.json and https://artists.proofprofile.net/proofs/artist/cce50e3e-2e88-4b36-9f9d-5cc154771661.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
our name (feat. Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari, Yanami Rain & ICHIGORINAHAMU)
{"copyright_id":"0x8dd14f83258237a68efd2de7350211d374fc2e28f88f6a0697e903b18a358015","isrc":"TCJPY2352157","name":"our name (feat. Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari, Yanami Rain & ICHIGORINAHAMU)","registered_at":"2026-06-29T01:07:19Z","spotify_id":"2iJevToY4vIUj7Qf27v0TO","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 0x8dd14f83258237a68efd2de7350211d374fc2e28f88f6a0697e903b18a358015. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2iJevToY4vIUj7Qf27v0TO.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/2iJevToY4vIUj7Qf27v0TO.
our name (feat. ねねるねる (CV:苺りなはむ), 叶ヒカリ (CV:ぁぃぁぃ), 八波零音 (CV:yAmmy) & 苺りなはむ)
mumin (feat. Native Rapper, ねねるねる (CV:苺りなはむ), 八波零音 (CV:yAmmy), 叶ヒカリ (CV:ぁぃぁぃ) & 苺りなはむ)
mumin (feat. Native Rapper, Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain, Kanou Hikari & ICHIGORINAHAMU)
TOKYO WAVE (feat. 苺りなはむ, ねねるねる (CV:苺りなはむ), 叶ヒカリ (CV:ぁぃぁぃ) & 八波零音 (CV:yAmmy))
TOKYO WAVE (feat. ICHIGORINAHAMU, Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari & Yanami Rain)
invisible (feat. lilbesh ramko, Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari, Yanami Rain & ICHIGORINAHAMU)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0d7c0c82fdfe3d556a172dd13b7629cabccc7fa639c2a06b526e28c37653481. 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/2hcReoXWIKy8i4TGF3GaSb.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/2hcReoXWIKy8i4TGF3GaSb.
invisible (feat. lilbesh ramko, ねねるねる (CV:苺りなはむ), 叶ヒカリ (CV:ぁぃぁぃ), 八波零音 (CV:yAmmy) & 苺りなはむ)
here to stay (feat. ねねるねる (CV:苺りなはむ), 八波零音 (CV:yAmmy), 叶ヒカリ (CV:ぁぃぁぃ) & 苺りなはむ)
here to stay (feat. Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain, Kanou Hikari & ICHIGORINAHAMU)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd68293f064182b307213039ddeb2aa2e8f7cacc296e8a0ea6436239a93d5cd. 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/1EaMozHuzMt911vhOVIxJN.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/1EaMozHuzMt911vhOVIxJN.
Find it! (feat. hirihiri, Kanou Hikari, Neneruneru (CV:ICHIGORINAHAMU) & Yanami Rain)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c2691e747133b2d50186de2f6508667e8e11ff5009d6a14a0399c75bf949fd. 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/0ecBJk4EFNlpkiuODU5KSZ.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/0ecBJk4EFNlpkiuODU5KSZ.
Find it! (feat. hirihiri, 叶ヒカリ (CV:ぁぃぁぃ), ねねるねる (CV:苺りなはむ) & 八波零音 (CV:yAmmy))
AINEED (feat. Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari & ICHIGORINAHAMU)
{"copyright_id":"0xeeb299ba75de0e94d7222187f73eeb6ae9d76520ede1a1248af005c43ddf5534","isrc":"TCJPB2487668","name":"AINEED (feat. Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari & ICHIGORINAHAMU)","registered_at":"2026-06-09T08:59:53Z","spotify_id":"2CZGmiBoV9JOfhYZVCZcq9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb299ba75de0e94d7222187f73eeb6ae9d76520ede1a1248af005c43ddf5534. 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/2CZGmiBoV9JOfhYZVCZcq9.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/2CZGmiBoV9JOfhYZVCZcq9.
AINEED (feat. ねねるねる (CV:苺りなはむ), 叶ヒカリ (CV:ぁぃぁぃ) & 苺りなはむ)
Nonfiction (feat. ねねるねる (CV:苺りなはむ) & 苺りなはむ)
{"copyright_id":"0xd56d8e099fa9b5445082f48f8a64d3f4aa4c4e7f72a83e9c056d7156ac0dc18c","isrc":"TCJPC2468817","name":"Nonfiction - Instrumental","registered_at":"2026-06-27T10:33:18Z","spotify_id":"7uFHiCVllucFcqcRPqNAAx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd56d8e099fa9b5445082f48f8a64d3f4aa4c4e7f72a83e9c056d7156ac0dc18c. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7uFHiCVllucFcqcRPqNAAx.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/7uFHiCVllucFcqcRPqNAAx.
Nonfiction (feat. Neneruneru (CV:ICHIGORINAHAMU) & ICHIGORINAHAMU)
{"copyright_id":"0x7a295c05c4c6029e4c103170e33d2adf99579598b4dde57437e3ce96047932bd","isrc":"TCJPC2468814","name":"Nonfiction (feat. Neneruneru (CV:ICHIGORINAHAMU) & ICHIGORINAHAMU)","registered_at":"2026-06-07T01:33:10Z","spotify_id":"1N8ep1erPeErcjLKliS1en","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a295c05c4c6029e4c103170e33d2adf99579598b4dde57437e3ce96047932bd. 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/1N8ep1erPeErcjLKliS1en.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/1N8ep1erPeErcjLKliS1en.
{"copyright_id":"0xd56d8e099fa9b5445082f48f8a64d3f4aa4c4e7f72a83e9c056d7156ac0dc18c","isrc":"TCJPC2468817","name":"Nonfiction - Instrumental","registered_at":"2026-06-27T10:33:18Z","spotify_id":"3iSijqZnlMezQX7ffKj1ai","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd56d8e099fa9b5445082f48f8a64d3f4aa4c4e7f72a83e9c056d7156ac0dc18c. 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/3iSijqZnlMezQX7ffKj1ai.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/3iSijqZnlMezQX7ffKj1ai.
drive me crazy (feat. KOTONOHOUSE, ねねるねる (CV:苺りなはむ), 叶ヒカリ (CV:ぁぃぁぃ), 八波零音 (CV:yAmmy) & 苺りなはむ)
drive me crazy (feat. KOTONOHOUSE, Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari, Yanami Rain & ICHIGORINAHAMU)
{"copyright_id":"0x7c9625d1413b1f559f84d1df1053926699a2775fcc674c83d77b5350766a2fa2","isrc":"TCJPD2545154","name":"drive me crazy (feat. KOTONOHOUSE, Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari, Yanami Rain & ICHIGORINAHAMU)","registered_at":"2026-06-09T07:06:51Z","spotify_id":"7oSDVZyR63WqtGODU7pHnN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c9625d1413b1f559f84d1df1053926699a2775fcc674c83d77b5350766a2fa2. 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/7oSDVZyR63WqtGODU7pHnN.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/7oSDVZyR63WqtGODU7pHnN.
Yggdranium (feat. Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari, Yanami Rain & ICHIGORINAHAMU)
{"copyright_id":"0x1e33cb7e8bb3246967b32fec3df6989d5047b49d80d4c9c00bd0ced2f82fb3ef","isrc":"TCJPD2598435","name":"Yggdranium (feat. Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari, Yanami Rain & ICHIGORINAHAMU)","registered_at":"2026-06-08T21:22:31Z","spotify_id":"1TwLO6KZm5oquouot3SevF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e33cb7e8bb3246967b32fec3df6989d5047b49d80d4c9c00bd0ced2f82fb3ef. 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/1TwLO6KZm5oquouot3SevF.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/1TwLO6KZm5oquouot3SevF.
ユグドラニウム (feat. ねねるねる (CV:苺りなはむ), 叶ヒカリ (CV:ぁぃぁぃ), 八波零音 (CV:yAmmy) & 苺りなはむ)
your voice (feat. ねねるねる (CV:苺りなはむ), 叶ヒカリ (CV:ぁぃぁぃ), 八波零音 (CV:yAmmy) & 苺りなはむ)
your voice (feat. Neneruneru (CV:ICHIGORINAHAMU), Kanou Hikari, Yanami Rain & ICHIGORINAHAMU)
Shiropus α (feat. Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain & Kanou Hikari) [KOERU Remix]
シロプスα (feat. ねねるねる (CV:苺りなはむ), 八波零音 (CV:yAmmy) & 叶ヒカリ (CV:ぁぃぁぃ)) [KOERU Remix]
Hyper Bass (feat. Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain & Kanou Hikari) [KOTONOHOUSE Remix]
Hyper Bass (feat. ねねるねる (CV:苺りなはむ), 八波零音 (CV:yAmmy) & 叶ヒカリ (CV:ぁぃぁぃ)) [KOTONOHOUSE Remix]
Anagram (feat. ESAI, Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain & Kanou Hikari)
Anagram (feat. ESAI, Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain & Kanou Hikari) - Instrumental
Anagram (feat. ESAI, ねねるねる (CV:苺りなはむ), 八波零音 (CV:yAmmy) & 叶ヒカリ (CV:ぁぃぁぃ))
Anagram (feat. ESAI, ねねるねる (CV:苺りなはむ), 八波零音 (CV:yAmmy) & 叶ヒカリ (CV:ぁぃぁぃ)) - Instrumental
cyber*moon (feat. Yanami Rain) - Instrumental
cyber*moon (feat. 八波零音 (CV:yAmmy)) - Instrumental
KOE (feat. ねねるねる (CV:苺りなはむ), 八波零音 (CV:yAmmy) & 叶ヒカリ (CV:ぁぃぁぃ))
KOE (feat. ねねるねる (CV:苺りなはむ), 八波零音 (CV:yAmmy) & 叶ヒカリ (CV:ぁぃぁぃ)) - Instrumental
KOE (feat. Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain & Kanou Hikari)
KOE (feat. Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain & Kanou Hikari) - Instrumental
hourglass (feat. KOTONOHOUSE, Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain & Kanou Hikari)
hourglass (feat. KOTONOHOUSE, Neneruneru (CV:ICHIGORINAHAMU), Yanami Rain & Kanou Hikari) - Instrumental