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 0x337fb57372c6a5b1c6fdde00c4a1b998890b6ceeccc3dadce0944774d2d1fa75. 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/56b927f3-a833-44e8-a7cf-3ee6eab258f3.json and https://artists.proofprofile.net/proofs/artist/56b927f3-a833-44e8-a7cf-3ee6eab258f3.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 0x9630b35c42d1c163e74f1699e9126887ff161e9484344528f934a2ceb957620e. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPVI01527060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0467357c80079c54214495653aaf386169033fad95a5bcc4b0422d4e9eeddfd8. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/JPVI01609410.
今夜だけ間違いじゃないことにしてあげる
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x752c0e344c079d3ef511074d5fb76f2c3b3b8cc2935e29048d4d787328cbfdb7. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/JPVI01637800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5654803f0c270845ae1ad397c11f46e958b13d906e436c54e33af594c21c836. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/JPVI01720150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaac91f4b62fb9a989de5789b09110dad8cd8fee2057fc813170bc74eb53e928. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/JPVI01805990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4733a0f5c4a19c1bf620e15103f41468225cfae02510e2e2bb36bea04a4a1e. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:54:15Z), 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/JPVI01818521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x507cb0c5eaddb74cd8ab7d349af6ca063dde031a465b57e1fa6503e9c372feaf. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/JPVI01859740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e38c8a1ec82c7a1798d3744c092e0df2be417635391312b18fac27e53b221c2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/JPVI01812221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76133855558e3c5f5d5f5a8a3c81b31ccd0cd0af4175f2b3f4afbc634c0d05fe. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:22:17Z), 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/JPVI01818551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaedbd93739e711fe172410b099808c5e5c517de2ca0184958d0fcfc70bd3adbf. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/JPB602001430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a389b74e659e99e309f4d55493e3f2ae521a63f7781de9b8f1999d03169329e. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/JPB602001435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35d187d27bfd5f3ad2bdf7cf177b4d89a84f54007b2f9c2b641c08369f61a80c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/JPB602001436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf34c155c0f31ab34d8bf17fd19c2a6fa825bbe1d42cc104dc622d2c8ec809b. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:33:21Z), 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/JPB602100274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff83859d6a8e3df536f69c328cdff3f12c7aef67a93716a872fda19558695d1f. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:49:26Z), 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/JPB602100276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdec243af29359efa3cd9fbf6c7e3a089d2a8455f50215a46e50f083baef35f4. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JPB602100272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x183bb5fab31d0441e3946c5dc4bf0e3df7d64928e1fab8eaf2a9a7bf96dfc1c6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/JPB602100278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57aa71bc3f49cc392e66ceaf26a8df0b1868ef9c218eedca46826ec17be30f2. 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/JPB602103666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5f487a770a0e1952d31df392d4436dcb80639a4a156a3fbed6aeadd0de094d8. 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/JPB602200739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08ba6f6578f54599e1aad55d6ea143dd854510345fe764fffe2577b3ee08d09. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/JPB602103999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0787deed9a8c8d9047b06dcdbcb3d1b2dc58cc68bddc5213b359b9d737365d4. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/JPB602104306.
Awesome Acoustic Session (Live at SHIBUYA SCRAMBLE SQUARE 2022.2.14)
夏の午後はコバルト - Acoustic Live from dTV (Live)
ceremony - Acoustic Live from dTV (Live)
Life still goes on - Acoustic Live from dTV (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47445ca0c4992eead742e1a8f075bc83f060c7b362b308e33ab4e35ea2d0be07. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/JPB602400322.