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 0xdc823d754022bc0bef29fdd50fc439c66039e0746cc1869290e9cc9e6c8f4c39. 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/3af47ad9-f5fb-483d-98b5-8939226a62b4.json and https://artists.proofprofile.net/proofs/artist/3af47ad9-f5fb-483d-98b5-8939226a62b4.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 0xecab99219fc53f9c401f93858198495c2badd18ad67a32dc79c2ee0b89b90a45. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/JPQ361300004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9019c69f1a71569a99ca7194834f6a5c7877feda226d0be4a768b3c4b8fe4796. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/JPQ361300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24c718a401a36b37891c050750f963cc24743adcbc4562c269d79e2caea309fb. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPQ361300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0958fc6fe0639b2c38dd0494334227105a118e0845cfe4b2562a639758eb29. 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/JPQ361300010.
ウラヤス・フランス〜小雪のテーマ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1166bcad693594a29eb7e2bd920aeccd4e652cf4ff4ceb26cb65eb43e98a34c2. 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/JPQ361300154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2ebb286d6a57de09bc579a08a03818354383cc69c4e964935638cde7eb068c4. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/JPQ361300176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbf160c035e480f210a310397109203765b5d1dfca32d04616209b15dca88a72. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/JPQ361300184.
日劇美食不孤單第三季(電視原聲帶)
日劇美食不孤單第一季(電視原聲帶)
日劇美食不孤單第二季(電視原聲帶)
美食不孤單井之頭五郎第四季 (電視原聲帶)
The Solitary Gourmet, Season 5 (Music from the Original TV Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc350081ff38a5a85b790134ac62c1b34e10ec4441caed5298559c063c20614af. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:08:17Z), 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/JPQ361300432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7b87c298ef78b1c27708197d88623fdc91e8f90c4344b4ca070c9b4a27d340. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), 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/JPQ361300433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98340a7db04c87d94de3fdefdce0d982b6db68a511c78338411536a69caffa1d. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T03:19:31Z), 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/JPQ361300436.
井之頭さん、改めまして、よろしくお願いします…。
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4341fb74965d86e4f1cf5388c0a407da6b8f4a84903f463a54aa7ddc5cf1db9. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPQ361300457.
井の頭さん、改めまして、よろしくお願いします．．．。