Anna Vogelzang
type: MusicGroup
description: Anna Vogelzang (born 26 February 1985) is an American singer-songwriter and guitarist. Based in Chicago, she composes and performs on guitar, ukulele, baritone ukulele, banjo, and kalimba, and has bee
popularity: 2
followers: 597
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf210fa151460056978ed293a7d60f14ad6e5ca3915caa35f29f8621ec7bcb27
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954623
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954623
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cae98d02-d418-4fd7-ad10-4b1d56ea43a6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cae98d02-d418-4fd7-ad10-4b1d56ea43a6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cae98d02-d418-4fd7-ad10-4b1d56ea43a6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:40:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf210fa151460056978ed293a7d60f14ad6e5ca3915caa35f29f8621ec7bcb27","name":"Anna Vogelzang","registered_at":"2026-06-20T23:13:06Z","symbol":"NIM1744293","token_address":"0xa3b8bd91e66e48cb155c7d801d862c3a241ba0fa","type":"artist","uuid":"cae98d02-d418-4fd7-ad10-4b1d56ea43a6"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf210fa151460056978ed293a7d60f14ad6e5ca3915caa35f29f8621ec7bcb27. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cae98d02-d418-4fd7-ad10-4b1d56ea43a6.json and https://artists.proofprofile.net/proofs/artist/cae98d02-d418-4fd7-ad10-4b1d56ea43a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:40:06Z
  text: {"copyright_id":"0xaf210fa151460056978ed293a7d60f14ad6e5ca3915caa35f29f8621ec7bcb27","name":"Anna Vogelzang","registered_at":"2026-06-20T23:13:06Z","symbol":"NIM1744293","token_address":"0xa3b8bd91e66e48cb155c7d801d862c3a241ba0fa","type":"artist","uuid":"cae98d02-d418-4fd7-ad10-4b1d56ea43a6"}
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