Ed Spencer
type: MusicGroup
description: Edgar Robert Spencer Sr. (January 5, 1929April 3, 2014) was an American modified and stock car racing driver. Father of Jimmy Spencer and grandfather of Ed Spencer III, he competed in local competitio
track: Pretty Polly
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  by artist: Ed Spencer
  in album: Traditional Music from Grayson and Carroll Counties, Virginia: Songs, Tunes with Fiddle, Banjo and Band
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    date published: 1962-01-01
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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 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
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    date published: 2026-07-31T02:19:15Z
  audio: Pretty Polly
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track: Sugar Hill
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  by artist: Ed Spencer
  in album: Traditional Music from Grayson and Carroll Counties, Virginia: Songs, Tunes with Fiddle, Banjo and Band
    type: MusicAlbum
    date published: 1962-01-01
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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 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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ffe767bd0b4cf716bfbec287a23c5c60f83bd8c575370c5dcc39d6279187de3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USSF16281118.
    date published: 2026-07-08T03:22:41Z
  audio: Sugar Hill
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