Yaen (野猿, "Wild Monkey") was a Japanese pop group composed of Takaaki Ishibashi and Noritake Kinashi of the comedy duo The Tunnels, and nine staff members from their television variety show The Tunne
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 0xf929257cffee8a2c0e3d253fa3a71b26e0e7c859898766e16971b6009789169d. 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/331f0c27-213c-4337-80c9-d56d11be1b42.json and https://artists.proofprofile.net/proofs/artist/331f0c27-213c-4337-80c9-d56d11be1b42.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 0x99f6911df4be0abf27d99304ed5fa58cc5dcd8bc2cddc384ed7d3005fa6476fd. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/JPB609826002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe88bc6067624e5fbe9b366e8e0c777d9a73005f3b87ceef37e195bb1eb58a429. 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/JPB609903004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44cda9e75e08cd30388cbe815b741bfd0500dc569627e3a56bc98570cddf7dd. 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/JPB609903005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfba8e0824befe2182e51980b92d864773a0e64abd67be19a12a4aa8df334ab38. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/JPB609937101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d8a820e7a3dadc52090309a5c70b4657b09d1511981d5b397d1375fda338347. 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/JPB609937102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d5de84086e1a1f7b95197cbb6e0f31cd7a5d8fc89972a41ea3b330b5e02504. 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/JPB609937103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b040bdbd6ca331ff5325767b41c8a5cdec1147b302b5e00110001ed73788fee. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/JPB600003707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09d2d73e27f9932d0a0203ed1cdaf2ef71a4af116cd5d42b3d373fe47ca65b89. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/JPB609931101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90a5ee7985c233a2796fd471eb00294027427abd7db53803c8e2fe8425d4c5f. 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/JPB600003710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45f3cb865b17b77106c305bcab242785785e8c37f47c9b09c0e78ac725e50b6b. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/JPB600018003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x265027997d4455ec26ab3e20ed3eb5d3c040b1b77fa2f2fe9e8e2ea7c652613f. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/JPB600104201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc7a8112cd6057b1cb11054f8b7dc8025d1fa599df4e5d9888de7ef016c45e73. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/JPB609804301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ce1f603f2f2d76958045fd6d50a4b409ab4ee2d2b4e1b86c10f951f808f8373. 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/JPB609835901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x134d96471ca9dd6866393cf5d96018dbb6e327368b5f1c8926efdf8223b0eeb9. 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/JPB609925901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09d2d73e27f9932d0a0203ed1cdaf2ef71a4af116cd5d42b3d373fe47ca65b89. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/JPB609931101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfba8e0824befe2182e51980b92d864773a0e64abd67be19a12a4aa8df334ab38. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/JPB609937101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc91e16555e3b07f1acd88b3330908b1996a8a454b675ce8b681043ec0b28c673. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/JPB600028901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacbe24d0c83caf94a20ff11202f5efd17adcb4b353d54fa8c7d0afada896e02d. Chain 2 (Bitcoin): anchored in block 957763 (2026-07-12T22:01:25Z), 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/JPB600052301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1344eff809a0ad886eedcc72d91995932f7eb61cb7b8bb56a83ee74a8a866467. 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/JPB600108704.