Baba Yaga
type: MusicGroup
genre: psytrance
description: thumb|upright=1.1|Baba Yaga depicted in Tales of the Russian People (published by V. A. Gatsuk in Moscow in 1894) alt=|thumb|upright|Baba Yaga being used as an example for the Cyrillic letter Б, in Al
popularity: 5
followers: 727
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additional property: CopyrightChainExplorerURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16366bd0bd2454e9d3781f1982f7b910bd6ffa6eeb74b105af68f72382e7c153. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09c62e5d-08a5-4401-90ae-65831192fab9.json and https://artists.proofprofile.net/proofs/artist/09c62e5d-08a5-4401-90ae-65831192fab9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
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album: Secret Combination
  type: MusicAlbum
  date published: 2002-01-01
album: Secret Combination
  type: MusicAlbum
  date published: 2002-01-01
  track: Back in the Ussr
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    by artist: Baba Yaga
    in album: Secret Combination
      type: MusicAlbum
      date published: 2002-01-01
    genre: psytrance
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0b04646de9cfce3d965394be83b6a6bc4da7a65140a9d1ab8c2fae717d1e66a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/HUB071300473.
      date published: 2026-07-05T01:12:41Z
    audio: Back in the Ussr
      type: AudioObject
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      additional property: Valence (Positivity)
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album: Baba Yaga - EP
  type: MusicAlbum
  date published: 2010-08-16
album: Baba Yaga
  type: MusicAlbum
  date published: 2013-03-18
album: Rise
  type: MusicAlbum
  date published: 2016-10-24
album: Apolitic EP
  type: MusicAlbum
  date published: 2016-11-11
album: Detroit EP
  type: MusicAlbum
  date published: 2018-11-19
album: Geometric EP
  type: MusicAlbum
  date published: 2018-12-24
album: เผือก (Bad Manner)
  type: MusicAlbum
  date published: 2019-03-22
album: Dua Lipa
  type: MusicAlbum
  date published: 2019-03-29
album: Dua Lipa
  type: MusicAlbum
  date published: 2019-03-29
album: La, La, La
  type: MusicAlbum
  date published: 2019-08-01
album: เพียงเวลานี้
  type: MusicAlbum
  date published: 2020-02-03
album: Do or try
  type: MusicAlbum
  date published: 2020-07-07
album: Coast
  type: MusicAlbum
  date published: 2023-05-19
album: Bekabu
  type: MusicAlbum
  date published: 2025-05-23
track: Transformer
  type: MusicRecording
  duration: PT7M20S
  duration ms: 440946
  explicit: false
  by artist: Baba Yaga
  in album: Parvatrip
    type: MusicAlbum
    date published: 2010-12-05
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  subject of: OpenTimestamps Proof of Existence
  audio: Transformer
track: Psy Funk

OTSVerificationAPI
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OTSTimestamp
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value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2ea8378d9ab855bb614f72daf1edf526181bb54b76c8c8d289608cc1ebb9030. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLD911000122.
date published: 2026-07-08T03:20:19Z

Transformer
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additional property: Tempo (BPM)
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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: Energy
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additional property: Speechiness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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  value: 0.282
additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
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additional property: Mode Name
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Psy Funk
type: MusicRecording
duration: PT6M45S
duration ms: 405533
explicit: false
by artist: Kerlivin
by artist: Baba Yaga
in album: Brain Crew Vol. 2
  type: MusicAlbum
  date published: 2012-07-23
isrc code: NLD911200164
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2223c0ccf9c029ea0cda72010e8a26cbf55db8e44a89a621d0c3dae5e60292fe. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/NLD911200164.
  date published: 2026-07-30T14:36:16Z
audio: Psy Funk
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