Aisu is both a given name and a surname. Notable people with the name include: Aisu Iko (1452–1538), Japanese martial artist Thomas Aisu (1954–2018), Ugandan medical doctor
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 0x0aac4102d910fbe94cc7bacd3d35bbeda7a8b35573b728f2c0c7b9d7e056ea94. 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/0854ecc4-07f4-4c75-8f65-cf740fb45659.json and https://artists.proofprofile.net/proofs/artist/0854ecc4-07f4-4c75-8f65-cf740fb45659.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 0x52ca53f48c4bfcc3cb29f828588c6a8a15db7b589858264afa1ae068b46a55ab. 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/SEYOK1856382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaa1277bad1332d5fadd1c64b675078123a5f955302dacb8efbc7b0d83c4cbb5. 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/SEYOK2044272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedf39284c0ae64f19e1f3f8262447c16a7700d4b83860494a2e2281de1d63169. 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/SEYOK2044273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e6626f7b1817201a3caad00e66b90c9552aca8b1458a0b778055e6bd9863dbd. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/SEYOK2044274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x704f040acd393f1488e916d871d2aea684915b9e642cd8c219b6765709b818b6. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:04:36Z), 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/SEYOK2044275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb06b061815a95dae28de3aca58e425870c9c1a241a5855d707cd329e9f601635. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T15:17:50Z), 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/SEYOK2044276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dc762be2f2fe19b46b9594031d79bd98c8f5d7c9a18b65d57538e52987de7b8. 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/SEYOK2044278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4464e1ff5cca386f07dc764543615bc271d0eed8b983c7dc504f5a75a63401c2. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:00:41Z), 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/SEYOK2104317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6d918527c60cbb4ebd7a00e259e01328d20a47dc8e5354465fb6d16eda91ae7. 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/SEYOK2111628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85829a0b6e3a231dcfc97903e9a86c41358db2fb86bc599f9cf13aafd0dd1823. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:23:30Z), 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/QZNWZ2181012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9bda00f9f109a1039d084206276006cfb90c8eeecd190a0c858e304e8d0dbe2. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/QZTAU2262921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef71bf871dca3357421b4d43301dc8e24c00335bd3afafb2be6722041f58866. Chain 2 (Bitcoin): anchored in block 958369 (2026-07-17T05:20:29Z), 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/QZTAU2262923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5869d66ec1b26998b9ff73cf484962324715db3f906e4ad6b57809a6977392e2. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T20:40:29Z), 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/QZTAU2262925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63879fc16bc8e532af1bbed7b73777021304170d60be9b879e0ce65cc5c8e07b. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/TRUM72400204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7525ff641791aac1afdad44ee6b1dfae25bacdcfda64de640e5c420941e261a0. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DGA0P2316729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09fe69478974d2d2ad72c665eb06085e6a24a9db6a720e196668657e799b2d26. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DE1FB2300137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb210bfa5a6abbc620c51cfdb03192a190d1ca870ab921107411939e1ba92b86d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZQHZ2200019.