Leo Fischer
type: MusicGroup
description: Leo H. Fischer (September 20, 1897 – October 1970) was an American sports writer, editor and organizer. He also served on the boards of charitable organizations and headed the National Basketball Lea
popularity: 19
followers: 429
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43df0e755d0963d715f38ce9c10d0010ce19c8a51aa1b427824758081f8c992b. Chain 2 (Bitcoin): anchored in block 953630 (2026-06-14T12:06:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/30b94360-87e9-4a6e-a5b3-95555843a693.json and https://artists.proofprofile.net/proofs/artist/30b94360-87e9-4a6e-a5b3-95555843a693.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T12:06:27Z
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album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
  track: Kapitel 1 & Kapitel 2 & Kapitel 3.1 - Der Kaffee am Arsch der Welt
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    duration: PT3M11S
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    by artist: Leo Fischer
    in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
      type: MusicAlbum
      date published: 2019-04-17
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    additional property: OTSVerificationAPI
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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 0xc4964e0458f428dd12c1e4cb3534e34ff7e7552ca6dd56d87474d40cbab3cb56. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/DEWM41087564.
      date published: 2026-07-03T21:18:05Z
    audio: Kapitel 1 & Kapitel 2 & Kapitel 3.1 - Der Kaffee am Arsch der Welt
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  track: Kapitel 3.2 - Der Kaffee am Arsch der Welt
    type: MusicRecording
    duration: PT3M9S
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    by artist: Leo Fischer
    in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
      type: MusicAlbum
      date published: 2019-04-17
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    additional property: CopyrightStatus
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00ad1659f313912a13093fb43e156456f529039c4dce528ffce5d03a5db76a26. Chain 2 (Bitcoin): anchored in block 958706 (2026-07-19T08:50:34Z), 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/DEWM41087565.
      date published: 2026-07-19T08:50:34Z
    audio: Kapitel 3.2 - Der Kaffee am Arsch der Welt
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  track: Kapitel 3.3 & Kapitel 4.1 - Der Kaffee am Arsch der Welt
  track: Kapitel 4.2 - Der Kaffee am Arsch der Welt
  track: Kapitel 4.3 - Der Kaffee am Arsch der Welt
  track: Kapitel 4.4 - Der Kaffee am Arsch der Welt
  track: Kapitel 5.3 - Der Kaffee am Arsch der Welt
  track: Kapitel 5.4 - Der Kaffee am Arsch der Welt
  track: Kapitel 5.5 - Der Kaffee am Arsch der Welt
  track: Kapitel 6.3 - Der Kaffee am Arsch der Welt
  track: Kapitel 6.4 - Der Kaffee am Arsch der Welt

Loudness (dB)
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value: -16.472

Key Name
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Mode Name
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value: Minor

Kapitel 3.3 & Kapitel 4.1 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M11S
duration ms: 191117
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087566
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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEWM41087566
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T09:46:31Z
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 0xa74de6e3601a958bb2d7a7a752938dbe5229ddec08fb0c5779d45d4a0273eca9. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/DEWM41087566.
  date published: 2026-07-17T09:46:31Z
audio: Kapitel 3.3 & Kapitel 4.1 - Der Kaffee am Arsch der Welt
  type: AudioObject
  additional property: Tempo (BPM)
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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: 4
  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
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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: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Kapitel 4.2 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M18S
duration ms: 198400
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087567
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-04T22:04:40+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x33088cf37f2bbc0dcd08158812cfc1edba39c20b347f4e8e315e88d2621a5b23
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEWM41087567
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33088cf37f2bbc0dcd08158812cfc1edba39c20b347f4e8e315e88d2621a5b23. 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/DEWM41087567.
  date published: 2026-07-05T01:43:49Z
audio: Kapitel 4.2 - Der Kaffee am Arsch der Welt
  type: AudioObject
  additional property: Tempo (BPM)
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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
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  additional property: Danceability
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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
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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Kapitel 4.3 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M6S
duration ms: 186900
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087568
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-04T04:25:31+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x528ef7e0d46ab1e9772b6a548c506a96a43e25ed8b23b5e253cac1f85baad447
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEWM41087568
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
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 0x528ef7e0d46ab1e9772b6a548c506a96a43e25ed8b23b5e253cac1f85baad447. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/DEWM41087568.
  date published: 2026-07-04T11:19:20Z
audio: Kapitel 4.3 - Der Kaffee am Arsch der Welt
  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: 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: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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Kapitel 4.4 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M8S
duration ms: 188700
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087569
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T16:36:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c53d872bb8fd7d0c709a16602d652aedc7d0603efffb73dcba78a807c164955
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEWM41087569
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0x2c53d872bb8fd7d0c709a16602d652aedc7d0603efffb73dcba78a807c164955. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/DEWM41087569.
  date published: 2026-07-05T19:27:56Z
audio: Kapitel 4.4 - Der Kaffee am Arsch der Welt
  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: Energy
    type: PropertyValue
    value: 0.199
  additional property: Speechiness
    type: PropertyValue
    value: 0.947
  additional property: Acousticness
    type: PropertyValue
    value: 0.198
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Kapitel 5.3 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M5S
duration ms: 185800
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087572
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a540d452dcff76d6830157f8485ac0b53494c54d0a7f7ab924877f4d63b3442
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958901
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958901
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEWM41087572
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T18:02:20Z
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 0x1a540d452dcff76d6830157f8485ac0b53494c54d0a7f7ab924877f4d63b3442. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T18:02:20Z), 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/DEWM41087572.
  date published: 2026-07-20T18:02:20Z
audio: Kapitel 5.3 - Der Kaffee am Arsch der Welt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.735
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.715
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.934
  additional property: Acousticness
    type: PropertyValue
    value: 0.285
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.323
  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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Kapitel 5.4 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M5S
duration ms: 185700
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087573
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x2a5c61ab65134667ba56bb70ad95e18c5e509216ec8f0de1692f33d6f3951065
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 958716
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958716
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEWM41087573
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T10:15:55Z
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 0x2a5c61ab65134667ba56bb70ad95e18c5e509216ec8f0de1692f33d6f3951065. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/DEWM41087573.
  date published: 2026-07-19T10:15:55Z
audio: Kapitel 5.4 - Der Kaffee am Arsch der Welt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.808
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.711
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.953
  additional property: Acousticness
    type: PropertyValue
    value: 0.264
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.495
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.486
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.957
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Kapitel 5.5 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M5S
duration ms: 185800
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087574
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T23:06:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x540b3029a82b208acfce912dc6e63cf6a0997133311f5b356221cfab8b639d25
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEWM41087574
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:26:17Z
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 0x540b3029a82b208acfce912dc6e63cf6a0997133311f5b356221cfab8b639d25. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/DEWM41087574.
  date published: 2026-07-06T01:26:17Z
audio: Kapitel 5.5 - Der Kaffee am Arsch der Welt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.698
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.698
  additional property: Energy
    type: PropertyValue
    value: 0.243
  additional property: Speechiness
    type: PropertyValue
    value: 0.939
  additional property: Acousticness
    type: PropertyValue
    value: 0.283
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.45
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.348
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.772
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
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Kapitel 6.3 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M6S
duration ms: 186400
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087577
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T15:00:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb887b9f26acdb384ce92d81e24a93c99539e25d1dd06b667da77fa127b74bfd4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958901
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958901
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEWM41087577
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T18:01:30Z
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 0xb887b9f26acdb384ce92d81e24a93c99539e25d1dd06b667da77fa127b74bfd4. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T18:01:30Z), 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/DEWM41087577.
  date published: 2026-07-20T18:01:30Z
audio: Kapitel 6.3 - Der Kaffee am Arsch der Welt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.31
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.722
  additional property: Energy
    type: PropertyValue
    value: 0.168
  additional property: Speechiness
    type: PropertyValue
    value: 0.907
  additional property: Acousticness
    type: PropertyValue
    value: 0.211
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.238
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.367
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.952
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 6.4 - Der Kaffee am Arsch der Welt
type: MusicRecording
duration: PT3M14S
duration ms: 194400
explicit: false
by artist: Leo Fischer
in album: Der Kaffee am Arsch der Welt (Eine Erzählung über den Unsinn pseudophilosophischer Weisheiten)
  type: MusicAlbum
  date published: 2019-04-17
isrc code: DEWM41087578
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T02:40:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xced3a0203dfe0abf757b85af0c2021fa440159b4d298b3ff912ff17668fd9916
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/DEWM41087578
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xced3a0203dfe0abf757b85af0c2021fa440159b4d298b3ff912ff17668fd9916. 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/DEWM41087578.
  date published: 2026-07-06T06:56:49Z
audio: Kapitel 6.4 - Der Kaffee am Arsch der Welt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.747
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.709
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.942
  additional property: Acousticness
    type: PropertyValue
    value: 0.169
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.274
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.4
  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
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