was a Japanese jazz fusion composer, arranger, and keyboardist. He played with The Brecker Brothers and Steve Gadd and released albums for Polydor and Toshiba in the 1970s. Early life and career At
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 0x627f1e095421148970eed7822d439aa146ba14414fb91b1b75277678cf8c2500. 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/029fbd5d-058d-4175-8d10-84ae0bf445c2.json and https://artists.proofprofile.net/proofs/artist/029fbd5d-058d-4175-8d10-84ae0bf445c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
深町純 & ザ･ニューヨーク・オールスターズ・ライヴ
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 0xae5069171bee145606d06dcb9d9f9cc91413d82782c0d0709eb7e900c77d386d. Chain 2 (Bitcoin): anchored in block 957587 (2026-07-11T16:48:26Z), 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/JPAL00903330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x668553595973ac3a04e0679d20fca6cda38107abea485774eb2a6cfe19771d84. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:18:43Z), 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/JPAL00903340.
ゴールデン☆ベスト 深町純 デジタル・ヴァージョン
Last Nocturne - Jun Fukamachi Plays Classics (ライブ)
Nicole (1986 Spring And Summer Collection - Instrumental Images)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcabeef0d153c512391726a6599576ae304e3fbef040ec7c14085e3f88f372100. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/DETB31726221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe66b2ed070ef62772da6d0dc797e51e6b4cb5a37b482568cb38f29b59d8bf7b7. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T02:12:43Z), 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/DETB31726222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfefb4b96972526befe7e09afb87f39fb78177a6b59fdf21ba0ea81beb8fa9d81. Chain 2 (Bitcoin): anchored in block 957579 (2026-07-11T14:35:38Z), 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/DETB31726224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe532275e9c4fe92c798102f664b130e49bc95fc6ee25ef51d40058d59010ca0d. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/DETB31726227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06a7ac2208533a50cf8058dea6d48837f6e499f5d9f7c82e645194c4932e7d04. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPX892200100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x614c36d99fb309e80778cd37ed1e6de3a859480a6649f35479fdd7800f3f6625. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/JPX892200104.
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 0x9505bde6882a1c7ed6117f85344c0a0b13e23972c0703dc6951eb4350cb536c4. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/JPX892200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7613f83ae2ca867ea870f33556079695800e22ec439d23f1c26b5081f7df30. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/JPX892200103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b8b582c205ef55504401da8989860996dd5366019a200e396a52fe8bd2871e2. 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/JPCO08512060.