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 0xe20ce0f5f29437eb78f02ce7dde02df69bb9561978eab1a1a4ede4dc95d131a3. 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/ef66425b-cc37-493d-93ea-72295a7609ed.json and https://artists.proofprofile.net/proofs/artist/ef66425b-cc37-493d-93ea-72295a7609ed.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 → block OTSBitcoinBlock must exist at that height 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 0x02f19deb33ae4f2b139ef9bc8a1f981d0b9733f58d9d74f95189cbe75673e87e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/JPSR08902590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14b870997c415f42d78f2b9e389c070990e1ded0e3faab0376629a85eb18cf87. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPSR09060719.
J'S THEME（Jのテーマ）25th ver. -Guitar less track-
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21ee0753c3020090517cf881cf513cdb809eeb83fcb7fd3e4ba7ff0474b9cce0. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPSR09191829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfde5e73134b78e66ac198ec8847e13dc89413373f44cbf272e2b6af8b9d82cd. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:22:02Z), 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/JPSR09225470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363103d2b4210118f3b5cda9e69150ffa2e04c2ffd1703259b5f80fce624f884. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/JPSR09502089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4da4bf4d2005fb29624601e22a109100a5742cb8e182e7e18fa9336c3cd56b69. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/JPSR09501226.
Michiya Haruhata BEST WORKS 1987-2008 〜ROUTE86〜
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7650a090e46e7318bf0862dea99aad7347930242771fb396d1ac69d6a9a098d0. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-17T00:14:41Z), 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/JPN300801942.
Michiya Haruhata BEST WORKS 1987-2008 ～ROUTE86～
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c98adad9a81598d2b2135ab54d1180ed33fd779afa205ac32158b4ab673fa95. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/JPU901703841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e904d3ffe5f5c1c95df83657fe699fad013861c1d7db2aa7439ad3bc73cdc4. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JPU901803324.
Kingdom of the Heavens - Guitar Less Track -
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51b2083b286a80d020fd11cf387ab642b555bfbe36b1c9d036a2b1c57e5b1e5e. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPU902201119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc52dc1f84167ff3fbbf6748e36dd515151c4f2d51b9114f190573e6c91b279b0. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/JPU902201120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8dcc7ae105dcf26046913b73c009ad245da7d2d26ce97ddf05d181c6948bcd9. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/JPU902201121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd56959390e8d91d82044e2054dd0d7de6557bc79467b42bc568a4e670ba4099a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPU902201122.
We Love Music (feat. Ainyan, INORAN, Ken, J, Suu, TOMOMI, HAMA OKAMOTO, HARUNA, Michiya Haruhata, Hino Jino Kenji, MAMI, MIYAVI, Yamauchi Souichiro & Rei)
しまじろう ヘソカ〜おでかけゴーゴー!