Leona Anderson
type: MusicGroup
description: thumb|250px|right|Lobby card from Ashes (1922). Leona Anderson (born Leona Aronson; April 3, 1885 – December 25, 1973) was an American silent film actress who is possibly best remembered for her 1957
popularity: 2
followers: 302
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b073cbcc2b494aea39d78a1ddb493aa8cf2903af04299d06aeb0f48d71062f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ec219f94-e900-4517-b13f-eb99d865a5fa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ec219f94-e900-4517-b13f-eb99d865a5fa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ec219f94-e900-4517-b13f-eb99d865a5fa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3b073cbcc2b494aea39d78a1ddb493aa8cf2903af04299d06aeb0f48d71062f3","name":"Leona Anderson","registered_at":"2026-06-21T11:05:21Z","symbol":"NIM1907303","token_address":"0xc84898afd3aebb17838e6e10fcec6a23d62a4c42","type":"artist","uuid":"ec219f94-e900-4517-b13f-eb99d865a5fa"}
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 0x3b073cbcc2b494aea39d78a1ddb493aa8cf2903af04299d06aeb0f48d71062f3. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ec219f94-e900-4517-b13f-eb99d865a5fa.json and https://artists.proofprofile.net/proofs/artist/ec219f94-e900-4517-b13f-eb99d865a5fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x3b073cbcc2b494aea39d78a1ddb493aa8cf2903af04299d06aeb0f48d71062f3","name":"Leona Anderson","registered_at":"2026-06-21T11:05:21Z","symbol":"NIM1907303","token_address":"0xc84898afd3aebb17838e6e10fcec6a23d62a4c42","type":"artist","uuid":"ec219f94-e900-4517-b13f-eb99d865a5fa"}
album: Music to Suffer By
  type: MusicAlbum
  date published: 1956
album: Music to Suffer By
  type: MusicAlbum
  date published: 1956-12-19
album: Habanera / Indian Love Call
  type: MusicAlbum
  date published: 1965-05-05
album: Music To Suffer By
  type: MusicAlbum
  date published: 2009-01-08
album: Music To Suffer By (Remastered)
  type: MusicAlbum
  date published: 2010-07-19
album: Music To Suffer By
  type: MusicAlbum
  date published: 2012-05-31
album: The World's Most Horrible Singer
  type: MusicAlbum
  date published: 2015-08-14
album: Fernando
  type: MusicAlbum
  date published: 2019-07-26