Hazy Osterwald
type: MusicGroup
genre: boogie-woogie
genre: schlager
genre: schlagerparty
description: thumb|Hazy Osterwald Rolf Osterwald (February 18, 1922 – February 26, 2012), better known as Hazy Osterwald, was a Swiss jazz bandleader, trumpeter, and vibraphonist. Osterwald began his career as a
popularity: 6
followers: 310
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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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album: Surprise partie à l'Olympia (Mono Version)
  type: MusicAlbum
  date published: 1957-01-01
album: Vintage Belle Epoque No. 64 - EP: Dixieland Style
  type: MusicAlbum
  date published: 1959-04-30
album: Vintage Jazz Nº 66 - EPs Collectors, "Trout In Blue"
  type: MusicAlbum
  date published: 1959-08-01
album: Hazy Osterwald Mit Sextett - Jetset - Entertainers
  type: MusicAlbum
  date published: 2004-01-01
album: Hazy Osterwald Mit Sextett - Jetset - Entertainers
  type: MusicAlbum
  date published: 2004-01-01
album: Hazy Osterwald Mit Sextett - Jetset - Entertainers
  type: MusicAlbum
  date published: 2004-01-01
album: Hazy Osterwald Mit Sextett - Jetset - Entertainers
  type: MusicAlbum
  date published: 2004-01-01
album: Kriminal Tango
  type: MusicAlbum
  date published: 2004-01-01
album: Musik Musik
  type: MusicAlbum
  date published: 2011-02-26
album: Hazy Osterwald - Swiss Air
  type: MusicAlbum
  date published: 2012-03-15
album: Hazy Osterwald - Blue Tango
  type: MusicAlbum
  date published: 2012-03-15
album: Hazy Osterwald - Mit Musik und guter Laune
  type: MusicAlbum
  date published: 2012-03-15
album: At the Darktown Strutter's Ball
  type: MusicAlbum
  date published: 2014-02-04
album: Hit Wonder: Hazy Osterwald, Vol. 1
  type: MusicAlbum
  date published: 2014-03-07
album: MASTERPIECES presents Hazy Osterwald: Hits & Raritäten
  type: MusicAlbum
  date published: 2014-03-28
album: Masterpieces Presents Hazy Osterwald: 5 Greatest Hits
  type: MusicAlbum
  date published: 2014-06-25
album: Masterpieces Presents Hazy Osterwald: 25 Greatest Hits
  type: MusicAlbum
  date published: 2014-06-25
album: Masterpieces Presents Hazy Osterwald: 10 Greatest Hits
  type: MusicAlbum
  date published: 2014-06-25
album: Masterpieces Presents Hazy Osterwald: Kriminal-Tango / Wieder mal Paschanga / Konjunktur-Cha-Cha (3 Greatest Hits)
  type: MusicAlbum
  date published: 2014-06-25
album: Kriminal Tango
  type: MusicAlbum
  date published: 2015-12-18
album: Die Großen Erfolge
  type: MusicAlbum
  date published: 2016-09-23
track: Konjunktur-Cha-Cha
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  by artist: Hazy Osterwald
  in album: 100 Deutsche Schlager Hits der 50er Jahre, Vol. 4 (Original-Aufnahmen - Bester Klang!)
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    date published: 2014
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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: 2026-07-07T18:39:05Z
  audio: Konjunktur-Cha-Cha
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track: Konjunktur-Cha-Cha
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  by artist: Hazy Osterwald
  in album: 100 Deutsche Schlager Hits der 50er und 60er Jahre
    type: MusicAlbum
    date published: 2014-11-19
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  subject of: OpenTimestamps Proof of Existence
  audio: Konjunktur-Cha-Cha
track: Kriminal-Tango

Kriminal-Tango
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by artist: Hazy Osterwald
in album: 50 Schlager Party - und Fetenhits, Vol. 1 (Deutsche Partyschlager - Klassiker)
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  date published: 2015-04-10
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:20:38Z
audio: Kriminal-Tango
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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

CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSBitcoinBlockVerifyURL
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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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe91f2dc313d393762dfeabbe9e9a5aee12d56e9accb916ffe79c4cbc055f0660. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEF161481826.
date published: 2026-07-06T07:16:32Z

Konjunktur-Cha-Cha
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additional property: Mode (Major/Minor)
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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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Konjunktur-Cha-Cha
type: MusicRecording
duration: PT3M5S
duration ms: 185155
explicit: false
by artist: Hazy Osterwald
in album: 50 Schlager Party - und Fetenhits, Vol. 1 (Deutsche Partyschlager - Klassiker)
  type: MusicAlbum
  date published: 2015-04-10
isrc code: DEF161481826
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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 0xe91f2dc313d393762dfeabbe9e9a5aee12d56e9accb916ffe79c4cbc055f0660. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEF161481826.
  date published: 2026-07-08T03:22:41Z
audio: Konjunktur-Cha-Cha
  type: AudioObject
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