Subbotnik
type: MusicGroup
description: thumb|right|Vladimir Lenin at the All-Russia Subbotnik in the Kremlin grounds, Moscow, May 1, 1920 Subbotnik and voskresnik (from 'Saturday' and , 'Sunday') were days of volunteer unpaid work on we
popularity: 5
followers: 976
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847df9ccec3bf880355063799f265e7a58674b9c58510b1b861c5a717ff3183c. 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/d27ab87d-32f6-40a2-b81f-6a08a0ec8852.json and https://artists.proofprofile.net/proofs/artist/d27ab87d-32f6-40a2-b81f-6a08a0ec8852.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
album: Subbotnik Ep
  type: MusicAlbum
  date published: 2014-12-24
album: Rot
  type: MusicAlbum
  date published: 2018-03-08
album: Ficken & Flennen
  type: MusicAlbum
  date published: 2018-05-09
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2019-10-25
album: Schweben am Limit
  type: MusicAlbum
  date published: 2019-11-22
album: Die Kontrolle (Remix)
  type: MusicAlbum
  date published: 2019-12-20
album: Kein Schlaf
  type: MusicAlbum
  date published: 2020-05-15
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  type: MusicAlbum
  date published: 2020-07-10
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  type: MusicAlbum
  date published: 2020-08-28
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  type: MusicAlbum
  date published: 2020-12-11
album: Freier Fall
  type: MusicAlbum
  date published: 2021-02-26
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  type: MusicAlbum
  date published: 2021-04-02
album: Sorgenkind
  type: MusicAlbum
  date published: 2021-04-23
album: Doberaner Platz
  type: MusicAlbum
  date published: 2021-05-07
album: Easi Parisi
  type: MusicAlbum
  date published: 2021-08-06
album: Atlantis
  type: MusicAlbum
  date published: 2022-05-20
album: Unnormal
  type: MusicAlbum
  date published: 2022-07-29
album: Flashing Lights
  type: MusicAlbum
  date published: 2022-09-30
album: Hoffnung wird schon gerade biegen
  type: MusicAlbum
  date published: 2023-05-19
album: Wahnsinn
  type: MusicAlbum
  date published: 2023-06-30
album: Teaser
  type: MusicAlbum
  date published: 2023-07-28
album: Andere Welt
  type: MusicAlbum
  date published: 2023-09-15
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  type: MusicAlbum
  date published: 2023-10-27
album: Taub
  type: MusicAlbum
  date published: 2023-12-22
album: Weidendom
  type: MusicAlbum
  date published: 2024-08-23
album: Happy End
  type: MusicAlbum
  date published: 2024-10-04
album: Graues Glück
  type: MusicAlbum
  date published: 2024-11-15
album: 25 Uhr
  type: MusicAlbum
  date published: 2024-12-13
  track: 25 Uhr
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190051
    explicit: true
    by artist: Subbotnik
    in album: 25 Uhr
      type: MusicAlbum
      date published: 2024-12-13
    isrc code: DEZC62463712
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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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c88bd8d86cbce7186737ace81251ae6553193549a2a1e0eb60b155949719aa. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-20T00:01:15Z), 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/DEZC62463712.
      date published: 2026-07-20T00:01:15Z
    audio: 25 Uhr
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Speechiness
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.122

Valence (Positivity)
type: PropertyValue
value: 0.543

Loudness (dB)
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value: -3.17

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major