Грустная Молодёжь
type: MusicGroup
genre: post-punk
popularity: 8
followers: 312
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc01bd90991be6ea9f1aceecc52814e5043280ec71a9ad793bd816e26a2f6a6. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ca7f824e-9654-4f07-a270-4f41308c73aa.json and https://artists.proofprofile.net/proofs/artist/ca7f824e-9654-4f07-a270-4f41308c73aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:40:06Z
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album: Детские Сны
  type: MusicAlbum
  date published: 2021-06-05
album: Детские Сны
  type: MusicAlbum
  date published: 2021-06-05
album: Томиэ
  type: MusicAlbum
  date published: 2021-08-15
album: Freaks
  type: MusicAlbum
  date published: 2021-11-13
  track: Freaks
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    by artist: Грустная Молодёжь
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      type: MusicAlbum
      date published: 2021-11-13
    genre: post-punk
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJY2134846
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174016ea8099b99a69d43f065663cd73b2dff7d7bfb910e3f48468fe09cc5cf5. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZNJY2134846.
      date published: 2026-07-05T01:43:49Z
    audio: Freaks
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      additional property: Mode Name
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album: Freaks
  type: MusicAlbum
  date published: 2021-11-13
  track: Freaks
    type: MusicRecording
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    by artist: Грустная Молодёжь
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      type: MusicAlbum
      date published: 2021-11-13
    genre: post-punk
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174016ea8099b99a69d43f065663cd73b2dff7d7bfb910e3f48468fe09cc5cf5. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZNJY2134846.
      date published: 2026-07-05T10:01:46Z
    audio: Freaks
      type: AudioObject
      additional property: Tempo (BPM)
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        type: PropertyValue
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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: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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album: Океан или болото
album: Красный снег
album: Боль внутри
album: Взойдёт луна
album: Min Dag!
album: Каюсь темноте
album: Матеша-рок
album: Last Flight
album: Солнечный город
album: Моя попытка номер 5
album: Denmark
album: Пьяные подъезды
album: 2:40
album: Rather Lie (Post-punk)
album: no longer human

Acousticness
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value: 0

Instrumentalness
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value: 0.049

Liveness
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value: 0.625

Valence (Positivity)
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value: 0.241

Loudness (dB)
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value: -4.169

Key Name
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value: B

Mode Name
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value: Minor

Океан или болото
type: MusicAlbum
date published: 2022-03-05

Океан или болото
type: MusicAlbum
date published: 2022-03-05

Красный снег
type: MusicAlbum
date published: 2022-06-24

Боль внутри
type: MusicAlbum
date published: 2022-10-31

Взойдёт луна
type: MusicAlbum
date published: 2023-04-20

Min Dag!
type: MusicAlbum
date published: 2023-10-19

Каюсь темноте
type: MusicAlbum
date published: 2024-02-29

Матеша-рок
type: MusicAlbum
date published: 2024-04-28

Last Flight
type: MusicAlbum
date published: 2024-05-28

Солнечный город
type: MusicAlbum
date published: 2024-06-28

Моя попытка номер 5
type: MusicAlbum
date published: 2024-07-24
track: Моя попытка номер 5
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  duration: PT3M18S
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  by artist: Грустная Молодёжь
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    type: MusicAlbum
    date published: 2024-07-24
  genre: post-punk
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  additional property: OTSTimestamp
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    value: 2026-07-15T15:28:05Z
  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 0x3fd1050fdee5a446e3dc507c724f72e1b6cdaf9f222335282275bccf7db71fed. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:28:05Z), 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/QZNJY2486610.
    date published: 2026-07-15T15:28:05Z
  audio: Моя попытка номер 5
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.983
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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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: Valence (Positivity)
      type: PropertyValue
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      type: PropertyValue
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Denmark
type: MusicAlbum
date published: 2024-09-04

Пьяные подъезды
type: MusicAlbum
date published: 2024-10-10

2:40
type: MusicAlbum
date published: 2024-11-30

Rather Lie (Post-punk)
type: MusicAlbum
date published: 2025-03-21

no longer human
type: MusicAlbum
date published: 2025-07-04