Coat
type: MusicGroup
genre: k-ballad
description: thumb|Man wearing a coat, painting by Julian Fałat, 1900|alt=Watercolor painting of a dark-bearded white man in glasses, a hat, and a long, thick, pale-colored coat with a fur collar. The man has his
popularity: 9
followers: 120
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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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  date published: 2026-06-17T08:11:48Z
album: Doomsdays
  type: MusicAlbum
  date published: 2015-09-18
album: 오늘이 지나면
  type: MusicAlbum
  date published: 2018-05-08
  track: 오늘이 지나면
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    by artist: Coat
    in album: 오늘이 지나면
      type: MusicAlbum
      date published: 2018-05-08
    genre: k-ballad
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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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      date published: 2026-07-17T09:46:31Z
    audio: 오늘이 지나면
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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        type: PropertyValue
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        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.467
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
        value: 0.11
      additional property: Valence (Positivity)
        type: PropertyValue
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      additional property: Loudness (dB)
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        value: -7.485
      additional property: Key Name
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        value: C#
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album: Addicted
  type: MusicAlbum
  date published: 2018-07-26
album: Until the rain stops
  type: MusicAlbum
  date published: 2018-09-13
  track: Until the rain stops
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    by artist: Coat
    in album: Until the rain stops
      type: MusicAlbum
      date published: 2018-09-13
    genre: k-ballad
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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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      date published: 2026-07-03T09:04:44Z
    audio: Until the rain stops
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
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        value: 1
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        type: PropertyValue
        value: 3
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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album: Oh Santa
album: I'm okay
album: You loved that stew
album: Because I...
album: Just once

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.089

Valence (Positivity)
type: PropertyValue
value: 0.341

Loudness (dB)
type: PropertyValue
value: -5.599

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Oh Santa
type: MusicAlbum
date published: 2018-12-20

I'm okay
type: MusicAlbum
date published: 2019-05-29

You loved that stew
type: MusicAlbum
date published: 2019-10-08

Because I...
type: MusicAlbum
date published: 2020-02-12

Just once
type: MusicAlbum
date published: 2021-02-19