Tichá dohoda
type: MusicGroup
genre: big beat
description: Tichá dohoda was a Czech alternative rock band, active from 1986 to 1999. The band was led by songwriter, guitarist and producer Dan Šustr and lead vocalist Blanka Šrůmová. They were known in the Czec
popularity: 21
followers: 4629
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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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 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 0xc663a854c207d068da6b11982f57082aa7ce2efb6654c101f45c9ee0d992614a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/efbe1fae-70be-4294-9ad0-d540863de76a.json and https://artists.proofprofile.net/proofs/artist/efbe1fae-70be-4294-9ad0-d540863de76a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Underpop (Recycled)
  type: MusicAlbum
  date published: 2009-02-27
album: Underpop/Recycled 2009
  type: MusicAlbum
  date published: 2009-02-27
album: 25 Let (Největší Hity Live)
  type: MusicAlbum
  date published: 2012-04-12
album: 25 let - Největší hity live!
  type: MusicAlbum
  date published: 2012-04-12
album: Ticha Dohoda
  type: MusicAlbum
  date published: 2012-08-03
  track: Tulak po hvezdach
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    by artist: Tichá dohoda
    in album: Ticha Dohoda
      type: MusicAlbum
      date published: 2012-08-03
    genre: big beat
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231200905
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T19:26:13Z
    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 0x2c454740b7e049b2f9059a5721ab636cc64d62c18d9e3e8be5b210bf1a9d8881. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/CZA231200905.
      date published: 2026-07-19T19:26:13Z
    audio: Tulak po hvezdach
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      additional property: Mode (Major/Minor)
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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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        type: PropertyValue
        value: 0.086
      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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album: Unplug
  type: MusicAlbum
  date published: 2012-08-17
  track: Marioneta
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    by artist: Tichá dohoda
    in album: Unplug
      type: MusicAlbum
      date published: 2012-08-17
    genre: big beat
    isrc code: CZA231201296
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    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:38:07Z
    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
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa46c582bdcc052095bb83f0326e4b9b746649315fde71ffd2b50553265c54e0f. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/CZA231201296.
      date published: 2026-07-15T14:38:07Z
    audio: Marioneta
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 90.844
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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
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        value: 0.463
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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      additional property: Mode Name
album: La Decadance
album: Chci prezit
album: Kladno Manchester (The Soulmates Tribute Project, Vol. 2)
album: Achtung 30!
album: Planeta Opic, Zakázaný Slova
album: Hlasitá Revoluce
album: Hranice
album: Marioneta (2022)
album: Dobrý král Václav (Live)

Energy
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value: 0.846

Speechiness
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value: 0.048

Acousticness
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value: 0.338

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.283

Valence (Positivity)
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value: 0.493

Loudness (dB)
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value: -9.535

Key Name
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value: C

Mode Name
type: PropertyValue
value: Major

La Decadance
type: MusicAlbum
date published: 2013-01-04
track: Kde spi andele
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322866
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  by artist: Tichá dohoda
  in album: La Decadance
    type: MusicAlbum
    date published: 2013-01-04
  genre: big beat
  isrc code: CZA231204083
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    value: registered
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-06T06:56:49Z
  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 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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    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc31b47b75bf87c7ee657ad0ac263f18ff2f2cb117f73643e5f94e0ea7560ec. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/CZA231204083.
    date published: 2026-07-06T06:56:49Z
  audio: Kde spi andele
    type: AudioObject
    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
      type: PropertyValue
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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: Acousticness
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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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    additional property: Loudness (dB)
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      type: PropertyValue
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Chci prezit
type: MusicAlbum
date published: 2013-01-04

Kladno Manchester (The Soulmates Tribute Project, Vol. 2)
type: MusicAlbum
date published: 2015-04-13

Achtung 30!
type: MusicAlbum
date published: 2016-02-01
track: Večírek Osamělých Srdcí - Live
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  duration: PT5M37S
  duration ms: 337106
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  by artist: Tichá dohoda
  in album: Achtung 30!
    type: MusicAlbum
    date published: 2016-02-01
  genre: big beat
  isrc code: CZD531600008
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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    value: 2026-07-17T15:15:14Z
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5ffa9eee516dcb689248ddbbced1ba161df030cd37be984d50b4f2dc20b8a0. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/CZD531600008.
    date published: 2026-07-17T15:15:14Z
  audio: Večírek Osamělých Srdcí - Live
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    additional property: Acousticness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Key Name
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    additional property: Mode Name
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Planeta Opic, Zakázaný Slova
type: MusicAlbum
date published: 2017-02-22

Hlasitá Revoluce
type: MusicAlbum
date published: 2017-10-06

Hranice
type: MusicAlbum
date published: 2020-02-24

Marioneta (2022)
type: MusicAlbum
date published: 2022-11-11

Dobrý král Václav (Live)
type: MusicAlbum
date published: 2024-12-01