Twin Cities
type: MusicGroup
genre: midwest emo
description: 300px|thumb|High-rise buildings in Minneapolis's Cedar-Riverside neighborhood, with the Downtown Saint Paul skyline visible in the background ten miles away. Minneapolis' city limits border those of S
popularity: 23
followers: 4129
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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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  date published: 2026-06-12T19:24:56Z
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album: The Winter Ep
  type: MusicAlbum
  date published: 2014-05-30
album: Demo
  type: MusicAlbum
  date published: 2014-09-16
album: Fall Classic
  type: MusicAlbum
  date published: 2015-11-03
album: Drive
  type: MusicAlbum
  date published: 2021-06-28
album: Breathe
  type: MusicAlbum
  date published: 2022-01-10
album: Peace
  type: MusicAlbum
  date published: 2022-04-18
album: Patience
  type: MusicAlbum
  date published: 2023-11-22
album: Better
  type: MusicAlbum
  date published: 2023-12-20
album: I Waited (Live)
  type: MusicAlbum
  date published: 2024-03-22
album: Pizza EP (On Evergreen Live)
  type: MusicAlbum
  date published: 2024-04-05
album: Shuteye
  type: MusicAlbum
  date published: 2024-07-01
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    by artist: Twin Cities
    in album: Shuteye
      type: MusicAlbum
      date published: 2024-07-01
    genre: midwest emo
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    additional property: OTSTimestamp
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      value: 2026-07-02T16:51:38Z
    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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      date published: 2026-07-02T16:51:38Z
    audio: Drive
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 170.016
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        value: 1
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        value: 3
      additional property: Danceability
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        value: -13.157
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        value: C
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  track: Better
    type: MusicRecording
    duration: PT2M48S
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    by artist: Twin Cities
    in album: Shuteye
      type: MusicAlbum
      date published: 2024-07-01
    genre: midwest emo
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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 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 0x717bf3c45b1b2bb2812ce95d3b011f9c9d6976b39bccf8ef3675fefb2636d2f2. Chain 2 (Bitcoin): anchored in block 956430 (2026-07-03T02:22:42Z), 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/QZWFH2374815.
      date published: 2026-07-03T02:22:42Z
    audio: Better
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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album: Me & My Dog
album: You're Right
album: Sinking (demo)

Tempo (BPM)
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value: 95.053

Musical Key
type: PropertyValue
value: 0

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
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value: 3

Danceability
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value: 0.396

Energy
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value: 0.236

Speechiness
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value: 0.029

Acousticness
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value: 0.827

Instrumentalness
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value: 0.835

Liveness
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value: 0.141

Valence (Positivity)
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value: 0.066

Loudness (dB)
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value: -13.772

Key Name
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value: C

Mode Name
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value: Major

Me & My Dog
type: MusicAlbum
date published: 2024-10-18
track: Me & My Dog
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  duration: PT2M42S
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  by artist: Twin Cities
  in album: Me & My Dog
    type: MusicAlbum
    date published: 2024-10-18
  genre: midwest emo
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  additional property: OTSTimestamp
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    value: 2026-07-17T21:28:36Z
  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 0x47a8ef30ba2d65af2aba460804648879dcd45397691169eabe1d7458f268464e. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZTBC2482021.
    date published: 2026-07-17T21:28:36Z
  audio: Me & My Dog
    type: AudioObject
    additional property: Tempo (BPM)
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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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You're Right
type: MusicAlbum
date published: 2025-07-11

Sinking (demo)
type: MusicAlbum
date published: 2025-09-03