Gregory Mitchell
type: MusicGroup
description: Gregory I. Mitchell (born April 22, 1969) is an American politician and the current alderman of Chicago's 7th ward. He took office in 2015 with 57% of the vote. He has a degree from Grambling State Un
popularity: 9
followers: 55
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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 0x0d5af7adb90a4ccfe379131094e4461569e354a6429211988259e442730f3100. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81e30fb2-41a7-47b7-8ebc-32cc4c2ebe39.json and https://artists.proofprofile.net/proofs/artist/81e30fb2-41a7-47b7-8ebc-32cc4c2ebe39.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
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track: Little Bird, Little Bird

Little Bird, Little Bird
type: MusicRecording
duration: PT1M55S
duration ms: 115893
explicit: false
by artist: Bradley Dean
by artist: Gregory Mitchell
by artist: Man of La Mancha Ensemble (2002)
in album: Man of La Mancha (New Broadway Cast Recording (2002))
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  date published: 2003-01-06
isrc code: USBC10200794
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additional property: OTSTimestamp
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  value: 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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d528013f643c94942ac9917cb4c08e7ba9eaf97b378c0d64ed687b90963a4fc. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USBC10200794.
  date published: 2026-06-13T13:32:09Z
audio: Little Bird, Little Bird
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Key Name
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  additional property: Mode Name
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