is a Japanese video game developer and publisher and manufacturer of pachinkos. The company has its headquarters in Chiyoda, Tokyo. The full name of the company that uses the brand is Irem Software
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 0xe87f93da08b81e1a2ee6680f57b42025621a61e8532df496b8559658afa095d8. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/924dccd3-94c7-4bbf-a5c9-0f5664e5d503.json and https://artists.proofprofile.net/proofs/artist/924dccd3-94c7-4bbf-a5c9-0f5664e5d503.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f2e0c5066f2cfb0e8068eaa9905299ea6ee149507f7098dd48177bb78189b80. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:35:10Z), 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/US38Y2410707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb02914ebd32b887910714a0c7eb6692554f904b2d60ddaf5955220c4c6585ee9. 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/US38Y2415984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc957de160094f6ab4676843e78b67ab7e9fdfcbc4b91c93ae680916a60500d47. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:03:24Z), 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/US38Y2500604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8028552f85afbe3d66b97e7084159dfd2ff09d22ab20feaf3861a6090df020. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:33:29Z), 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/US38Y2500606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0c56619197e9a05eb4b1206f29239657df1097748237ff6ddfc20ebefbb13a. 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/US38Y2500610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58dd3cc3d101e4b256e38c3e52ba7beeb0e5e30b613ab3aa4e7839a70de60b74. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-17T04:16:11Z), 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/US38Y2526840.