Johanna von Koczian
type: MusicGroup
genre: neue deutsche welle
genre: schlager
genre: schlagerparty
description: Johanna von Koczian (, née von Kóczián-Miskolczy, 30 October 1933 – 10 February 2024) was an Austrian-German actress. She grew up in Salzburg where Gustaf Gründgens offered her a role at the 1951 Salz
popularity: 29
followers: 1608
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x155b5434f40dab4d823ea458bfbbd6327e2e0ee5217cc6d4fe429c6706a5fb12
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd22b98d-3860-4c25-9ca5-06791306e96d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd22b98d-3860-4c25-9ca5-06791306e96d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fd22b98d-3860-4c25-9ca5-06791306e96d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x155b5434f40dab4d823ea458bfbbd6327e2e0ee5217cc6d4fe429c6706a5fb12","name":"Johanna von Koczian","registered_at":"2026-06-12T14:29:47Z","symbol":"NIM0325863","token_address":"0xc9cdafc68f16e4715b3f46698e88d7af6f43dc42","type":"artist","uuid":"fd22b98d-3860-4c25-9ca5-06791306e96d"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x155b5434f40dab4d823ea458bfbbd6327e2e0ee5217cc6d4fe429c6706a5fb12. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd22b98d-3860-4c25-9ca5-06791306e96d.json and https://artists.proofprofile.net/proofs/artist/fd22b98d-3860-4c25-9ca5-06791306e96d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x155b5434f40dab4d823ea458bfbbd6327e2e0ee5217cc6d4fe429c6706a5fb12","name":"Johanna von Koczian","registered_at":"2026-06-12T14:29:47Z","symbol":"NIM0325863","token_address":"0xc9cdafc68f16e4715b3f46698e88d7af6f43dc42","type":"artist","uuid":"fd22b98d-3860-4c25-9ca5-06791306e96d"}
album: Das bisschen Haushalt ... sagt mein Mann (Originale)
  type: MusicAlbum
  date published: 2013-01-01
track: Die Dreigroschenoper: Akt I, Liebeslied ("Siehst du den Mond über Soho?")
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114293
  explicit: false
  by artist: Kurt Weill
  by artist: Erich Schellow
  by artist: Johanna von Koczian
  by artist: Wilhelm Brückner-Rüggeberg
  in album: Weill: Die Dreigroschenoper
    type: MusicAlbum
    date published: 1958
  isrc code: USSM10007712
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T07:48:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x32f186a52764953db4c6cea828673bb148cd74bdd7f38ee50d8ff0d2cf8a869d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007712
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0x32f186a52764953db4c6cea828673bb148cd74bdd7f38ee50d8ff0d2cf8a869d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10007712.
    date published: 2026-07-02T03:55:08Z
  audio: Die Dreigroschenoper: Akt I, Liebeslied ("Siehst du den Mond über Soho?")
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.856
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.329
    additional property: Energy
      type: PropertyValue
      value: 0.015
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.967
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.344
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.06
    additional property: Loudness (dB)
      type: PropertyValue
      value: -31.424
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Die Dreigroschenoper: Akt I, Der Song vom Nein und Ja (Barbara-Song) ["Einst glaubte ich, als ich noch unschuldig war"]
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284933
  explicit: false
  by artist: Kurt Weill
  by artist: Wolfgang Neuss
  by artist: Johanna von Koczian
  by artist: Wilhelm Brückner-Rüggeberg
  in album: Weill: Die Dreigroschenoper
    type: MusicAlbum
    date published: 1958
  isrc code: USSM10007713
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T03:17:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd3af57404aae6b1b63f00f59e2f5c82ccfa5cb4f3f941831efabf8f616b18e77
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007713
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0xd3af57404aae6b1b63f00f59e2f5c82ccfa5cb4f3f941831efabf8f616b18e77. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10007713.
    date published: 2026-07-02T03:55:08Z
  audio: Die Dreigroschenoper: Akt I, Der Song vom Nein und Ja (Barbara-Song) ["Einst glaubte ich, als ich noch unschuldig war"]
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.761
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.53
    additional property: Energy
      type: PropertyValue
      value: 0.073
    additional property: Speechiness
      type: PropertyValue
      value: 0.091
    additional property: Acousticness
      type: PropertyValue
      value: 0.957
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Die Dreigroschenoper: Akt I, Die Unsicherheit menschlicher Verhältnisse ("Was ich möchte, ist es viel?")
track: Die Dreigroschenoper: Akt II, Der Pferdestall ("Mackie muss fliehen und nimmt Abschied von Polly")
track: Die Dreigroschenoper: Akt II, Pollys Abschiedslied ("Er kommt nicht wieder")
track: Die Dreigroschenoper: Akt II, Das Eifersuchtsduett ("Komm heraus, du Schönheit von Soho!")
track: Die Dreigroschenoper: Akt III, Der reitende Bote ("Horch, horch, horch")

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.268

Valence (Positivity)
type: PropertyValue
value: 0.205

Loudness (dB)
type: PropertyValue
value: -25.808

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Minor

Die Dreigroschenoper: Akt I, Die Unsicherheit menschlicher Verhältnisse ("Was ich möchte, ist es viel?")
type: MusicRecording
duration: PT3M55S
duration ms: 235240
explicit: false
by artist: Kurt Weill
by artist: Trude Hesterberg
by artist: Wolfgang Neuss
by artist: Willy Trenk-Trebitsch
by artist: Johanna von Koczian
by artist: Wilhelm Brückner-Rüggeberg
in album: Weill: Die Dreigroschenoper
  type: MusicAlbum
  date published: 1958
isrc code: USSM10007714
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T14:47:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb7a357b901b13d7c5eb55340794b06194fb552de8964cc938b031955b92e75a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007714
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xeb7a357b901b13d7c5eb55340794b06194fb552de8964cc938b031955b92e75a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM10007714.
  date published: 2026-07-02T03:55:08Z
audio: Die Dreigroschenoper: Akt I, Die Unsicherheit menschlicher Verhältnisse ("Was ich möchte, ist es viel?")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.833
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.538
  additional property: Energy
    type: PropertyValue
    value: 0.211
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.311
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.333
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Dreigroschenoper: Akt II, Der Pferdestall ("Mackie muss fliehen und nimmt Abschied von Polly")
type: MusicRecording
duration: PT0M56S
duration ms: 56760
explicit: false
by artist: Kurt Weill
by artist: Erich Schellow
by artist: Wolfgang Neuss
by artist: Johanna von Koczian
by artist: Wilhelm Brückner-Rüggeberg
in album: Weill: Die Dreigroschenoper
  type: MusicAlbum
  date published: 1958
isrc code: USSM10007715
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:05:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4628198bd6c0ef0cfc24bb5649e35d62a86c666471d6b1fd0c3e1f931b946709
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007715
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 0x4628198bd6c0ef0cfc24bb5649e35d62a86c666471d6b1fd0c3e1f931b946709. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USSM10007715.
  date published: 2026-07-06T06:56:49Z
audio: Die Dreigroschenoper: Akt II, Der Pferdestall ("Mackie muss fliehen und nimmt Abschied von Polly")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.932
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.458
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.13
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.309
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.183
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.982
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Dreigroschenoper: Akt II, Pollys Abschiedslied ("Er kommt nicht wieder")
type: MusicRecording
duration: PT1M50S
duration ms: 110466
explicit: false
by artist: Kurt Weill
by artist: Erich Schellow
by artist: Johanna von Koczian
by artist: Wilhelm Brückner-Rüggeberg
in album: Weill: Die Dreigroschenoper
  type: MusicAlbum
  date published: 1958
isrc code: USSM10007716
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T14:45:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2074a8edd8a887a1ac06e85b3ce407eb73a76b4601bf6734324b2a68dd043444
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959144
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007716
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T15:38:35Z
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 0x2074a8edd8a887a1ac06e85b3ce407eb73a76b4601bf6734324b2a68dd043444. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/USSM10007716.
  date published: 2026-07-22T15:38:35Z
audio: Die Dreigroschenoper: Akt II, Pollys Abschiedslied ("Er kommt nicht wieder")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.928
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.02
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.223
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.176
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.482
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Dreigroschenoper: Akt II, Das Eifersuchtsduett ("Komm heraus, du Schönheit von Soho!")
type: MusicRecording
duration: PT2M30S
duration ms: 150666
explicit: false
by artist: Kurt Weill
by artist: Wolfgang Neuss
by artist: Johanna von Koczian
by artist: Inge Wolffberg
by artist: Wilhelm Brückner-Rüggeberg
in album: Weill: Die Dreigroschenoper
  type: MusicAlbum
  date published: 1958
isrc code: USSM10007722
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T17:06:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd82950e8162aa91b0dd33267e74f2e0ff20ee8cf8eb81801a7027603484d8ab5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959159
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959159
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10007722
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T17:48:40Z
audio: Die Dreigroschenoper: Akt II, Das Eifersuchtsduett ("Komm heraus, du Schönheit von Soho!")
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  additional property: Valence (Positivity)
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Die Dreigroschenoper: Akt III, Der reitende Bote ("Horch, horch, horch")
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duration: PT5M2S
duration ms: 302040
explicit: false
by artist: Kurt Weill
by artist: Trude Hesterberg
by artist: Erich Schellow
by artist: Willy Trenk-Trebitsch
by artist: Johanna von Koczian
by artist: Wilhelm Brückner-Rüggeberg
in album: Weill: Die Dreigroschenoper
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  date published: 1958
isrc code: USSM10007729
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c4cba9ff64f7614f9cef93a86180a26c5bc138461777af9363bea31b5808615. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/USSM10007729.
  date published: 2026-07-29T11:30:20Z
audio: Die Dreigroschenoper: Akt III, Der reitende Bote ("Horch, horch, horch")
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