Polyrock
type: MusicGroup
genre: cold wave
genre: new wave
genre: post-punk
description: thumbnail|"Polyrock" (1980) Polyrock was an American post-punk/new wave band formed in New York City in 1978 and active until the mid-1980s. Strongly influenced by minimalism, the group was produced
popularity: 16
followers: 4694
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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 0x76e3fdf65897eb0cd67246ac4b1fce9fc0bc21d1070383fab5981e35b31b411a. Chain 2 (Bitcoin): anchored in block 953614 (2026-06-14T08:40:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/18cbcded-24f4-4166-b2d6-217c12da580f.json and https://artists.proofprofile.net/proofs/artist/18cbcded-24f4-4166-b2d6-217c12da580f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:40:32Z
album: Polyrock
  type: MusicAlbum
  date published: 1980
  track: Green for Go
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    duration: PT3M40S
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    by artist: Polyrock
    in album: Polyrock
      type: MusicAlbum
      date published: 1980
    genre: cold wave
    genre: new wave
    genre: post-punk
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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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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36c0e45057334ffe4d242b99a79d5aad694b47920fe5476aea7898295d4578c3. 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/USRC10602207.
      date published: 2026-07-06T06:56:49Z
    audio: Green for Go
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.57
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.651
      additional property: Energy
        type: PropertyValue
        value: 0.934
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.537
      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.852
      additional property: Loudness (dB)
        type: PropertyValue
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      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
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album: Polyrock
  type: MusicAlbum
  date published: 1980-01-01
album: Polyrock
  type: MusicAlbum
  date published: 1980-02-24
  track: Romantic Me
    type: MusicRecording
    duration: PT3M12S
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    explicit: false
    by artist: Polyrock
    in album: Polyrock
      type: MusicAlbum
      date published: 1980-02-24
    genre: cold wave
    genre: new wave
    genre: post-punk
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfc8c772dc721d269f8d8ce8aed83ebee228b4c5e0bc59173cc2d59f79bccd23. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:26:18Z), 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/FR6V82187528.
      date published: 2026-07-16T12:26:18Z
    audio: Romantic Me
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 158.99
      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
        type: PropertyValue
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      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
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      additional property: Speechiness
        type: PropertyValue
        value: 0.117
      additional property: Acousticness
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album: Changing Hearts

Acousticness
type: PropertyValue
value: 0

Instrumentalness
type: PropertyValue
value: 0.117

Liveness
type: PropertyValue
value: 0.132

Valence (Positivity)
type: PropertyValue
value: 0.386

Loudness (dB)
type: PropertyValue
value: -9.487

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Changing Hearts
type: MusicAlbum
date published: 1981
track: Love Song
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286053
  explicit: false
  by artist: Polyrock
  in album: Changing Hearts
    type: MusicAlbum
    date published: 1981
  genre: cold wave
  genre: new wave
  genre: post-punk
  isrc code: USRC10602235
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    value: 2026-07-17T13:33:01Z
  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 0x95ec3928c08631f4ebc6e35aade537f650f6ec10a6f740a2e1b269433c10778d. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/USRC10602235.
    date published: 2026-07-17T13:33:01Z
  audio: Love Song
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.449
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.026
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.34
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.487
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Changing Hearts
type: MusicAlbum
date published: 1981-01-01

Changing Hearts
type: MusicAlbum
date published: 1981-02-24