Comedian Harmonists
type: MusicGroup
genre: schlager
description: thumb|upright=1.3|Comedian Harmonists (from left: Robert Biberti, Erich Collin, Erwin Bootz, Roman Cycowski, Harry Frommermann, Asparuh "Ari" Leschnikoff) The Comedian Harmonists were an all-male Ger
popularity: 35
followers: 28133
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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: Die Goldene Ara Deutscher Vokalensembles (Recorded 1931-1941)
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  date published: 2012-11-06
track: Wochenend und Sonnenschein (From "Chasing Rainbows")
track: Wenn die Sonja russisch tanzt
track: Das ist die Liebe der Matrosen (From "Bomben auf Monte Carlo")
track: Das ist die Liebe der Matrosen

Wochenend und Sonnenschein (From "Chasing Rainbows")
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duration: PT3M14S
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by artist: Milton Ager
by artist: Comedian Harmonists
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  date published: 2018-05-18
popularity: 2
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additional property: OTSTimestamp
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Wochenend und Sonnenschein (From "Chasing Rainbows")
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Wenn die Sonja russisch tanzt
type: MusicRecording
duration: PT2M58S
duration ms: 178400
explicit: false
by artist: Comedian Harmonists
in album: Die Schlager des Jahres 1934
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  date published: 2014-01-07
popularity: 7
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T13:09:35Z
audio: Wenn die Sonja russisch tanzt
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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 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

Das ist die Liebe der Matrosen (From "Bomben auf Monte Carlo")
type: MusicRecording
duration: PT3M8S
duration ms: 188586
explicit: false
by artist: Werner R. Heymann
by artist: Comedian Harmonists
by artist: Studio pianist
in album: Evergreens
  type: MusicAlbum
  date published: 2018-05-18
popularity: 2
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Das ist die Liebe der Matrosen (From "Bomben auf Monte Carlo")
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additional property: OTSTimestamp
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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

Das ist die Liebe der Matrosen
type: MusicRecording
duration: PT3M5S
duration ms: 185893
explicit: false
by artist: Comedian Harmonists
in album: Das ist die Liebe der Matrosen (Die Goldene Schlagerparade 1931)
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popularity: 1
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T20:42:35Z
audio: Das ist die Liebe der Matrosen
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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