1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xce23db129c300d6fbe888ba62a059a6c124e6102ed0904db9b5a9cefbdeaf7c9. 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/ee1e079a-a831-4f87-985a-59f7936dc0e9.json and https://artists.proofprofile.net/proofs/artist/ee1e079a-a831-4f87-985a-59f7936dc0e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa171d125f6276c80fcd702695b07ce4b347dc095c90498a07bfea932e36daa5a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e86d824451ecc9845e8864859d52dc2468229cf4b5a29bd381b6a52ffa82ead. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108344.
砂の星 (Blue Twinkle Trance Remix / Version 2.0) [feat. ほたる]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af774cf2e5be8099c81fa82547b780556e65141c6945a4838bdf3e45357be9f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108446.
Brilliant Colors (TOHO Cyber TRANCE EDIT) [feat. ほたる]
TOHO Cyber TRANCE 赤 (HALOZY TRANCE COLLECTION)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11dd4f6865ae1aae4f1c7ac8b80572ebcf4004dd6ae2624608fb100f48059311. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108348.
ENG Dream (TOHO Cyber TRANCE EDIT) [feat. ほたる]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3800bd02cd7d7f068870ff3fef52a8ce801cefe4c9a418b464b59961f1d5f070. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cd3047d82920012e259842f07494881c23c4b82136f3c61fafdfcbf6caa7ffd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f766862c84a101047158b47cb4b3a95a4e18feee0b6986283d667c4c3277a96. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54840037b1c82f071ebef0f7294422c84c468cc424717f373738ab84340c5ce7. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:11:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW561804003.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75471a4c3732230245d18ad6ac7e2f60e769b2c329c00e3d66afdfe19dd9956a. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW561902288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x863fe1bd27c6e62ebd329f456a135bee78dbebc0fa15326b2778f3ee09c30956. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW561902291.
Another For Happy feat. ほたる [Kirin Remix]
Re:Expansion -Amateras Records Remixes Vol.2-
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc97d8ee5ae33c8a6e74d9f17389b0e185cfe440334b78e14324e5b985d26fdd. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW561902282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f0904201ab653497a5f43faea604ebdbfd6e2dd2b5305d771ccd5f8dec23b2a. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4095578b9032b401d45a662b1592aa8305c1ea25c01a4ca9f32fe870a71613d8. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562108406.