Matías Sapag
type: MusicGroup
genre: minimal techno
popularity: 7
followers: 354
additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
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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 0xa30860e8954aefddd1c8b50660a365013817615024c62159e64a3002c2d30dae. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b38196e2-992e-405d-8ca8-482e06a13020.json and https://artists.proofprofile.net/proofs/artist/b38196e2-992e-405d-8ca8-482e06a13020.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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album: Acidum Mood EP
  type: MusicAlbum
  date published: 2019-06-21
album: Photophobia
  type: MusicAlbum
  date published: 2019-08-23
album: Desire EP
  type: MusicAlbum
  date published: 2019-10-11
album: Giggle
  type: MusicAlbum
  date published: 2019-10-14
album: Alpha
  type: MusicAlbum
  date published: 2020-03-27
album: Hide & Seek
  type: MusicAlbum
  date published: 2020-04-06
album: Be Yourself EP
  type: MusicAlbum
  date published: 2020-04-06
album: The Balance
  type: MusicAlbum
  date published: 2020-05-15
album: Agua y Fuego
  type: MusicAlbum
  date published: 2020-06-05
album: We die at the end
  type: MusicAlbum
  date published: 2020-06-17
album: Sawarrix
  type: MusicAlbum
  date published: 2020-06-26
album: Backwards
  type: MusicAlbum
  date published: 2020-07-03
album: The Kill
  type: MusicAlbum
  date published: 2020-07-17
album: Luz
  type: MusicAlbum
  date published: 2020-08-10
album: Alone
  type: MusicAlbum
  date published: 2020-08-31
album: Exoplanet
  type: MusicAlbum
  date published: 2020-09-04
album: Plummet
  type: MusicAlbum
  date published: 2020-09-25
album: Bratva
  type: MusicAlbum
  date published: 2020-10-22
album: Order 66 EP
  type: MusicAlbum
  date published: 2020-12-07
album: Quarentimes
  type: MusicAlbum
  date published: 2020-12-18
album: Riot
  type: MusicAlbum
  date published: 2021-01-18
album: Sombra
  type: MusicAlbum
  date published: 2021-01-25
album: Proxima Centauri EP
  type: MusicAlbum
  date published: 2021-02-18
album: Proxima Centauri EP
  type: MusicAlbum
  date published: 2021-03-04
album: Macrogravity
  type: MusicAlbum
  date published: 2021-04-05
album: Atlantis EP
  type: MusicAlbum
  date published: 2021-04-12
album: Andromeda EP
  type: MusicAlbum
  date published: 2021-05-14
  track: Chromosphere - Giancarlo Di Chiara Edit
    type: MusicRecording
    duration: PT6M24S
    duration ms: 384761
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    by artist: Matías Sapag
    in album: Andromeda EP
      type: MusicAlbum
      date published: 2021-05-14
    genre: minimal techno
    isrc code: CA5KR2158050
    additional property: CopyrightID
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-20T21:39:08Z
    audio: Chromosphere - Giancarlo Di Chiara Edit
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      additional property: Tempo (BPM)
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      additional property: Mode (Major/Minor)
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        value: 4
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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        value: 0.039
      additional property: Acousticness
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        value: 0.047
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.86
      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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album: Antimatter
album: Supernova EP
album: Psychedelic Substances
album: Crux
album: Gamma Velorum
album: Underworld Chronicles EP
album: Neutrino

Mode Name
type: PropertyValue
value: Major

Antimatter
type: MusicAlbum
date published: 2021-07-16

Supernova EP
type: MusicAlbum
date published: 2022-04-14

Psychedelic Substances
type: MusicAlbum
date published: 2023-05-26

Crux
type: MusicAlbum
date published: 2023-11-10

Gamma Velorum
type: MusicAlbum
date published: 2023-11-10

Underworld Chronicles EP
type: MusicAlbum
date published: 2024-07-06

Neutrino
type: MusicAlbum
date published: 2024-11-15