Frankie Yankovic
type: MusicGroup
genre: polka
description: Frank John Yankovic (July 28, 1915 – October 14, 1998) was an American accordion player and polka musician. Known as "America's Polka King", Yankovic was considered the premier artist to play in the S
popularity: 27
followers: 5134
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T19:24:56Z
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album: Plays In Person The All Time Great Polkas
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  date published: 1959
  track: Lichensteiner Polka
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    by artist: Frankie Yankovic
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      type: MusicAlbum
      date published: 1959
    genre: polka
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-16T19:42:29Z
    audio: Lichensteiner Polka
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  track: Barbara Polka
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      date published: 1959
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T19:27:56Z
    audio: Barbara Polka
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album: Polka Polka (Mono Version)
album: Dance, Dance, Dance
album: Christmas Party
album: Polka Variety with Frank Yankovic
album: A Yankovic Dance Party
album: Polka My Way
album: Yankovic's Favorite Polkas
album: Polka Dots
album: Polka Time
album: Christmas Memories
album: America's Favorites
album: Frankie Yankovic - Toe Tappin' Happy Polkas
album: One More Time
album: Frank Yankovic & Friends: Songs of the Polka King, Vol. 1
album: Greatest Hits
album: Songs of the Polka King Volume 2
album: Polka Party
album: Greatest Polka Hits
album: Greatest Hits Volume 2
album: Button Box Favorites
album: Toe Tappin' Happy Polkas
album: The Best Of Frankie Yankovic
album: The Early Years
album: Plays Everyones Favorites
album: Hits I Almost Missed
album: And His Yanks
album: Plays the Hits
album: I Stopped for a Beer
album: King of Polka
album: More Polka's & Waltzes
album: Frankie Yankovic With The Great Johnny Pecon
album: Frankie Yankovic's TV Polkas
album: Frankie Yankovic's Tv Polkas
album: Poland - 20 Great Polkas
album: The Two of Us
album: Plays Polka Hits
album: Happy Time Polkas
album: Polka King
album: Chicken Dance!: The Original Party Music Classic by Polka King Frankie Yankovic
album: Who Stole the Kishka (feat. Kinky Friedman) [2021 Remaster]
album: Too Fat Polka (feat. Drew Carey)
album: Frank Yankovic & Friends: Songs of the Polka King (The Ultimate Collection)
track: I'm Gonna Get a Dummy

Valence (Positivity)
type: PropertyValue
value: 0.913

Loudness (dB)
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value: -11.638

Key Name
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value: G

Mode Name
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Polka Polka (Mono Version)
type: MusicAlbum
date published: 1959-01-01

Polka Polka (Mono Version)
type: MusicAlbum
date published: 1960-01-01

Dance, Dance, Dance
type: MusicAlbum
date published: 1964

Christmas Party
type: MusicAlbum
date published: 1964-11-12

Polka Variety with Frank Yankovic
type: MusicAlbum
date published: 1968-02-19

A Yankovic Dance Party
type: MusicAlbum
date published: 1968-02-28

Polka My Way
type: MusicAlbum
date published: 1968-08-19

Yankovic's Favorite Polkas
type: MusicAlbum
date published: 1968-09-27
track: Blue Skirt Waltz
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139680
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  by artist: Frankie Yankovic
  in album: Yankovic's Favorite Polkas
    type: MusicAlbum
    date published: 1968-09-27
  genre: polka
  isrc code: USRC16808008
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T12:31:54Z
  audio: Blue Skirt Waltz
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track: My Favorite Polka
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  by artist: Frankie Yankovic
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    type: MusicAlbum
    date published: 1968-09-27
  genre: polka
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T10:20:41Z
  audio: My Favorite Polka
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track: Just Because
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  subject of: OpenTimestamps Proof of Existence
  audio: Just Because

OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f734d574bd1bcd9a11121fc3660a6522a47a40d8a163a91c1b432ca1792577. 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/USRC16808005.
date published: 2026-07-05T01:43:49Z

Just Because
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Polka Dots
type: MusicAlbum
date published: 1969-08-01

Polka Time
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date published: 1970-01-01

Christmas Memories
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date published: 1984-01-01

America's Favorites
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date published: 1986

America's Favorites
type: MusicAlbum
date published: 1986-01-01

Frankie Yankovic - Toe Tappin' Happy Polkas
type: MusicAlbum
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One More Time
type: MusicAlbum
date published: 1993

Frank Yankovic & Friends: Songs of the Polka King, Vol. 1
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Greatest Hits
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Songs of the Polka King Volume 2
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date published: 1997

Polka Party
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date published: 2000-01-01

Greatest Polka Hits
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date published: 2000-03-20
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-05T12:31:54Z
  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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    date published: 2026-07-05T12:31:54Z
  audio: Blue Skirt Waltz
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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Greatest Polka Hits
type: MusicAlbum
date published: 2000-03-21

Greatest Hits Volume 2
type: MusicAlbum
date published: 2001-01-01

Polka Party
type: MusicAlbum
date published: 2001-09-20

Button Box Favorites
type: MusicAlbum
date published: 2002

Toe Tappin' Happy Polkas
type: MusicAlbum
date published: 2003-05-01

The Best Of Frankie Yankovic
type: MusicAlbum
date published: 2004-06-22
track: Hoop-Dee-Doo
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  in album: The Best Of Frankie Yankovic
    type: MusicAlbum
    date published: 2004-06-22
  genre: polka
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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
    type: DigitalDocument
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    date published: 2026-07-17T06:48:00Z
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track: Who Stole The Keeshka?
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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: 2026-07-04T11:19:20Z
  audio: Who Stole The Keeshka?
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The Early Years
type: MusicAlbum
date published: 2006-01-01

Plays Everyones Favorites
type: MusicAlbum
date published: 2008-01-01
track: The Happy Wanderer
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:59:37Z
  audio: The Happy Wanderer
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Hits I Almost Missed
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date published: 2008-01-01

And His Yanks
type: MusicAlbum
date published: 2008-01-01

Plays the Hits
type: MusicAlbum
date published: 2008-01-01

Greatest Hits
type: MusicAlbum
date published: 2008-01-01

I Stopped for a Beer
type: MusicAlbum
date published: 2008-01-01

King of Polka
type: MusicAlbum
date published: 2008-01-01

More Polka's & Waltzes
type: MusicAlbum
date published: 2008-01-01

Frankie Yankovic With The Great Johnny Pecon
type: MusicAlbum
date published: 2008-06-26

Frankie Yankovic's TV Polkas
type: MusicAlbum
date published: 2009-05-21
track: Cafe Polka
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T08:19:09Z
  audio: Cafe Polka
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Frankie Yankovic's Tv Polkas
type: MusicAlbum
date published: 2009-05-21

Frankie Yankovic's TV Polkas
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date published: 2009-05-22

Poland - 20 Great Polkas
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date published: 2009-07-22

Polka Party
type: MusicAlbum
date published: 2010-01-04

The Two of Us
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date published: 2010-06-14
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-13T16:48:10Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-13T16:48:10Z
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track: Just Because Polka
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    type: MusicAlbum
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Just Because Polka
track: I Love To Polka

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91493675

OTSTimestamp
type: PropertyValue
value: 2026-07-03T08:56:35Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abb9aae05c835223aa3f01afd6ac022dfa83561158a69c1ef6a2a200f049796. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USHM91493675.
date published: 2026-07-03T08:56:35Z

Just Because Polka
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
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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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additional property: Key Name
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additional property: Mode Name
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I Love To Polka
type: MusicRecording
duration: PT2M49S
duration ms: 169146
explicit: false
by artist: Frankie Yankovic
in album: The Two of Us
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  date published: 2010-06-14
genre: polka
isrc code: USHM91493678
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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 0x26488e5835c9cf21b7e495be28a6ffe13b6c17e19df9b1769b37b4781c497a00. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:55:30Z), 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/USHM91493678.
  date published: 2026-07-20T11:55:30Z
audio: I Love To Polka
  type: AudioObject
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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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  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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Plays Polka Hits
type: MusicAlbum
date published: 2011-01-01
track: Cuckoo Waltz
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  explicit: false
  by artist: Frankie Yankovic
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    type: MusicAlbum
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91141520
  additional property: OTSTimestamp
    type: PropertyValue
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f3d694347d99b5f7b9a5a03f39abf612f8224c0c9c4ea75d5f740e2eb06e3ae. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:19:55Z), 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/USHM91141520.
    date published: 2026-07-15T11:19:55Z
  audio: Cuckoo Waltz
    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
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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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track: Que Sera
  type: MusicRecording
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  by artist: Frankie Yankovic
  in album: Plays Polka Hits
    type: MusicAlbum
    date published: 2011-01-01
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  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
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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 0x0f0d5ec13a3e92bc1625db3a19a08ac9ccf1ce6efbc41bfb7dd8a7d1b77aa84a. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:00:07Z), 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/USHM91141525.
    date published: 2026-07-15T22:00:07Z
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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: 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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track: Tavern in the Town
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Tavern in the Town
track: Eins Zwei G'Suffa

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91141530

OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe97ccde94543faeb308878753a6fda579c3b71251aa3c43b7ce8ad4563bdc98b. 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/USHM91141530.
date published: 2026-07-05T01:43:49Z

Tavern in the Town
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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
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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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additional property: Key Name
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additional property: Mode Name
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Eins Zwei G'Suffa
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duration: PT2M21S
duration ms: 141466
explicit: false
by artist: Frankie Yankovic
in album: Plays Polka Hits
  type: MusicAlbum
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genre: polka
isrc code: USHM91141537
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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 0x05b678d1dbc7ee2773882b5ef10db17927295b8af5b6d9f392aa3cc5e8c777f1. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/USHM91141537.
  date published: 2026-07-19T22:55:52Z
audio: Eins Zwei G'Suffa
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Happy Time Polkas
type: MusicAlbum
date published: 2011-09-08

Polka Party
type: MusicAlbum
date published: 2012-05-31

Polka King
type: MusicAlbum
date published: 2012-10-01

Chicken Dance!: The Original Party Music Classic by Polka King Frankie Yankovic
type: MusicAlbum
date published: 2013-05-13

Who Stole the Kishka (feat. Kinky Friedman) [2021 Remaster]
type: MusicAlbum
date published: 2021-10-01

Too Fat Polka (feat. Drew Carey)
type: MusicAlbum
date published: 2021-10-22

Frank Yankovic & Friends: Songs of the Polka King (The Ultimate Collection)
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date published: 2021-11-12
track: The Pennyslvania Polka
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc9c3aef95387b4f1a82bc9177d82866f15e986dd154e43a39fc2592797d066b. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QMBZ91918678.
    date published: 2026-07-04T14:03:39Z
  audio: The Pennyslvania Polka
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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: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Who Stole the Kishka
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  by artist: Frankie Yankovic
  in album: Frank Yankovic & Friends: Songs of the Polka King (The Ultimate Collection)
    type: MusicAlbum
    date published: 2021-11-12
  genre: polka
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958271
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1953036
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T09:16:54Z
  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 0x861f42bba27aa5bcfd4e37460e88c7be3d45996f859a62a5e1a3d845bc942b9f. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/QM4TX1953036.
    date published: 2026-07-16T09:16:54Z
  audio: Who Stole the Kishka
    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
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Cleveland the Polka Town
  type: MusicRecording
  duration: PT2M12S
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  explicit: false
  by artist: Frankie Yankovic
  in album: Frank Yankovic & Friends: Songs of the Polka King (The Ultimate Collection)
    type: MusicAlbum
    date published: 2021-11-12
  genre: polka
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  additional property: OTSBitcoinBlock
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    type: PropertyValue
    value: https://blockstream.info/api/block-height/958977
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Cleveland the Polka Town
track: The Beer Barrel Polka
track: In Heaven There is No Beer

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1953040

OTSTimestamp
type: PropertyValue
value: 2026-07-21T06:27:23Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2592bbdacc18eb533cdfa29af01731e0ec58e6d71e4bcc576dffa3149850a4e5. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/QM4TX1953040.
date published: 2026-07-21T06:27:23Z

Cleveland the Polka Town
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 126.821
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.79
additional property: Energy
  type: PropertyValue
  value: 0.564
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.327
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.054
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.91
additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
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additional property: Mode Name
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The Beer Barrel Polka
type: MusicRecording
duration: PT2M43S
duration ms: 163600
explicit: false
by artist: Frankie Yankovic
in album: Frank Yankovic & Friends: Songs of the Polka King (The Ultimate Collection)
  type: MusicAlbum
  date published: 2021-11-12
genre: polka
isrc code: QM4TX1953041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959051
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1953041
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T19:48:03Z
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 0xca7ddac01570205050be48493f93ec9ebfdc5bb616bddf893fdef1014686c18b. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/QM4TX1953041.
  date published: 2026-07-21T19:48:03Z
audio: The Beer Barrel Polka
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.756
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.338
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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In Heaven There is No Beer
type: MusicRecording
duration: PT2M37S
duration ms: 157040
explicit: false
by artist: Frankie Yankovic
in album: Frank Yankovic & Friends: Songs of the Polka King (The Ultimate Collection)
  type: MusicAlbum
  date published: 2021-11-12
genre: polka
isrc code: QM4TX1953042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52f065f5baf2be77c756e02e0b5d5c228cbfb98e5c248445a9fe158d47a1e86e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958407
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1953042
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T12:08:48Z
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 0x52f065f5baf2be77c756e02e0b5d5c228cbfb98e5c248445a9fe158d47a1e86e. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/QM4TX1953042.
  date published: 2026-07-17T12:08:48Z
audio: In Heaven There is No Beer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.345
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

I'm Gonna Get a Dummy
type: MusicRecording
duration: PT2M34S
duration ms: 154333
explicit: false
by artist: Frankie Yankovic
in album: 16 Most Requested Polkas
  type: MusicAlbum
  date published: 1989-08-08
isrc code: USSM19912439
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:09:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba7e3847be7b95106b8fc4ff333ec909f2a03590995ad803ef0060c0bd855b0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19912439
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0xba7e3847be7b95106b8fc4ff333ec909f2a03590995ad803ef0060c0bd855b0f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USSM19912439.
  date published: 2026-07-08T03:20:19Z
audio: I'm Gonna Get a Dummy
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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    type: PropertyValue
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