Mike Martinez
type: MusicGroup
genre: underground hip hop
description: Michael W. Martinez (August 1, 1969) is a former Austin City Council member and former mayoral candidate in Austin, Texas. He served as the Board Chair of the Capital Metropolitan Transportation Autho
popularity: 6
followers: 1435
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0562d277a96963421f688e029cf573174136683db5dec2ae2bf4a649bfe31c9. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aa4a837a-f2a0-4307-b3a0-b7a4e62f11ae.json and https://artists.proofprofile.net/proofs/artist/aa4a837a-f2a0-4307-b3a0-b7a4e62f11ae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
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