Alberto Arenas
type: MusicGroup
genre: tango
description: thumb|Arenas in 2014 Alberto Arenas de Mesa (born 5 October 1965) is a Chilean economist, academic, and Socialist politician. He was Chile's Minister of Finance, under the second government of Preside
popularity: 10
followers: 327
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953968
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/283b4b2f-7832-4473-9c72-50beca627a78.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/283b4b2f-7832-4473-9c72-50beca627a78
additional property: OTSTimestamp
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  value: 2026-06-16T16:01:49Z
additional property: OTSCanonicalRecord
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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
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4739c60b53f88594d2bdc1d9c26047d8fdf2c1e4900d9989b4588c806bd85957. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/283b4b2f-7832-4473-9c72-50beca627a78.json and https://artists.proofprofile.net/proofs/artist/283b4b2f-7832-4473-9c72-50beca627a78.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
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album: Zorzales de Antaño / Alberto Arenas Vol. 3
  type: MusicAlbum
  date published: 2023-01-17
album: Zorzales de Antaño / Alberto Arenas Vol. 2
  type: MusicAlbum
  date published: 2023-01-17
album: Zorzales de Antaño / Alberto Arenas Vol. 1
  type: MusicAlbum
  date published: 2023-01-17
album: 21 Exitos
  type: MusicAlbum
  date published: 2017-05-03
album: Tangos (Mono Version)
  type: MusicAlbum
  date published: 1956-01-01