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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 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 0x3713815d35d63cc8342d3c3c3eab79522d28bccde30ca489624747917c2a38b5. 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/ba230d6b-4afd-4772-b700-76d928ee0320.json and https://artists.proofprofile.net/proofs/artist/ba230d6b-4afd-4772-b700-76d928ee0320.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 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 0x6d57de940fc76d597628c0b2547cf1ae9ffb91f6abbe3d1848df04c5aa2d818b. Chain 2 (Bitcoin): anchored in block 958242 (2026-07-16T05:02:52Z), 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/JPB601404037.
boyfriend / girlfriend (special edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f42f163cb6f96563bc6f01159970bc15a4ca985edc4c14b4290f0aa87b52063. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/JPB601502749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57b3b2f76aab51ae9865f300e173d504419dd27e3012ba9814f98e0a4d6c841. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/JPB601600158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xede86199946449163d91890eb2a002fa3e9e76b910f30a520946d2be4fb6f46c. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/JPB601702095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1010a9e19ecf3741af2cbd328349354c179f8c72f98aa4f886523778985aaa1c. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/JPB601701238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45df83fb6106ff9e70894f617572bba7bab750d3c1ee321e54336c7635854340. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/JPB601603672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8c08a988d3597558e09a2bdf1bf1c9f66839ce666e690a89ca598566568a26. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/JPB601800775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5534e22c5bff01f5e4b6220eab3ecce7c438ef65970c0e498fd891fe179577a1. 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/JPB601703375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe41ba434edc669de0829d51dd07c1ae2b6d00ef394cb103aea41b228a75d4047. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/JPB601703624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1deb81256843536202e9aeb5fb9e7c26dd21b847cfb94c5f621550f56b513f. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/JPB601802034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7e52687fd3b92fd7b7868db3304956e3acfb6396a22a836c7c01fb1d5714789. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/JPB601800777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc69cab636bd11089c7d014995ff1fd8cde8152e17240ae7bc4777c85ec59400. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/JPB601901391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x436599a0ae0677a2e002d58d2a715f0576cea5f356526674ec8d641456edefeb. 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/JPB601903046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x528097ff2fa8165fbca0cc6013119eddbed21bdfd876daedf429ece139471d50. 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/JPB601902175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa54876622ea77b1f383964d819cab53f6e10742ca24a4186f8cd857f187478cf. 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/JPB601700800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x436599a0ae0677a2e002d58d2a715f0576cea5f356526674ec8d641456edefeb. 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/JPB601903046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc58b34b9c9fb3d43749cd2eede980e3f2c2a2627383f8229d4b62c57adf3271. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/JPB602000804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138514730650dd9c84b7755bac2557d1743e3af14fbdfe4f72b33829bc743d60. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/JPB602001764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62e0f29cd745c210a0656fe97494bdddd189f32d69aa6cac76ee42ab6fb8eb3a. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/JPB602002855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c78e86bd9679748fc5b78c5fe91babc70334c5f4889470e01a6bb0a01ecd2f9. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/JPB602002856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefa3bf8fe9b7fe57ca0f9be3d7da5e646755eebd29b4c6c96bdd179880db74d2. 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/JPB602104053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc96dc7a5e1f60800e6a60fae7a42cfdd7a4e1b8f1a0635df0b3a66c33d9e7b84. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/JPB602104505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf9bc4e2fee88529516043483b054888ed91c4f0807122cfb39ab7575a6ec2c0. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/JPB602203737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b10582dc268544f6a4b3e485d923f1e60ec93d9713c094770fc8f94f72f9c5c. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/JPB602203894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bdf33c3c657af99a6627f2ce7e663d90ee133a137cf10d2e757d823cd90a00f. 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/JPB602304923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19c60d36ecdc46c773557c099fb5a1ba2150370e09c836d156688bc0e74a8a5. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/JPB602312662.
仮面ライダー平成ジェネレーションズ Dr.パックマン対エグゼイド&ゴーストwithレジェンドライダ サウンドトラック 2枚組
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa54876622ea77b1f383964d819cab53f6e10742ca24a4186f8cd857f187478cf. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPB601700800.
power of the dream - SUPER OMOTENASHI BEATS vol.1 ver
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71c5ab06a38db46314f2d8ad615579543b2b92dc367099161aeafc4e6a939006. 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/JPB601902977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf8da6cf69722949adeafa9dbcbc622ae130c39670f3019d5294bdf16d82f72b. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/JPB601703130.