Agnes Klein
type: MusicGroup
popularity: 17
followers: 308
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb92162baa0bbfd21bf407881c9d47aa2beece9be399ef5d6e31b38cb12d47cef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f1cec13-a7f3-4517-88cb-ce60d969a7d0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f1cec13-a7f3-4517-88cb-ce60d969a7d0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9f1cec13-a7f3-4517-88cb-ce60d969a7d0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb92162baa0bbfd21bf407881c9d47aa2beece9be399ef5d6e31b38cb12d47cef","name":"Agnes Klein","registered_at":"2026-06-14T21:07:42Z","symbol":"NIM0576848","token_address":"0xefae394e494ead42dcb9eed47271e867962053e6","type":"artist","uuid":"9f1cec13-a7f3-4517-88cb-ce60d969a7d0"}
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 0xb92162baa0bbfd21bf407881c9d47aa2beece9be399ef5d6e31b38cb12d47cef. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9f1cec13-a7f3-4517-88cb-ce60d969a7d0.json and https://artists.proofprofile.net/proofs/artist/9f1cec13-a7f3-4517-88cb-ce60d969a7d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:44:49Z
  text: {"copyright_id":"0xb92162baa0bbfd21bf407881c9d47aa2beece9be399ef5d6e31b38cb12d47cef","name":"Agnes Klein","registered_at":"2026-06-14T21:07:42Z","symbol":"NIM0576848","token_address":"0xefae394e494ead42dcb9eed47271e867962053e6","type":"artist","uuid":"9f1cec13-a7f3-4517-88cb-ce60d969a7d0"}
album: Vierzylinder
  type: MusicAlbum
  date published: 2020-10-23
album: Vierzylinder
  type: MusicAlbum
  date published: 2020-10-23
album: Wald
  type: MusicAlbum
  date published: 2020-12-17
album: Erinnerungen
  type: MusicAlbum
  date published: 2021-02-04
  track: Erinnerungen
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190632
    explicit: false
    by artist: Agnes Klein
    in album: Erinnerungen
      type: MusicAlbum
      date published: 2021-02-04
    isrc code: SEXGF2108101
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T21:36:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x694f5ea7f0b82923b414595b666e6dbc103343d56c15c9e7771232c72d74a9b7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956420
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956420
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXGF2108101
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T00:42:11Z
    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 0x694f5ea7f0b82923b414595b666e6dbc103343d56c15c9e7771232c72d74a9b7. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/SEXGF2108101.
      date published: 2026-07-03T00:42:11Z
    audio: Erinnerungen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 79.292
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.347
      additional property: Energy
        type: PropertyValue
        value: 0.084
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.993
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.954
      additional property: Liveness
        type: PropertyValue
        value: 0.098
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.266
      additional property: Loudness (dB)
        type: PropertyValue
        value: -25.747
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Erinnerungen
  type: MusicAlbum
  date published: 2021-02-04
album: Piano Für Träumerinnen
  type: MusicAlbum
  date published: 2021-03-26
album: Unspoken Declarations
  type: MusicAlbum
  date published: 2021-08-20
album: La Pierre Ombrachée
  type: MusicAlbum
  date published: 2022-01-28
album: Les Cascades
  type: MusicAlbum
  date published: 2022-04-01
album: Habitus
  type: MusicAlbum
  date published: 2022-06-17
album: Calm & Peaceful Klein
  type: MusicAlbum
  date published: 2022-09-23
  track: Erinnerungen
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190632
    explicit: false
    by artist: Agnes Klein
    in album: Calm & Peaceful Klein
      type: MusicAlbum
      date published: 2022-09-23
    isrc code: SEXGF2108101
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T21:36:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x694f5ea7f0b82923b414595b666e6dbc103343d56c15c9e7771232c72d74a9b7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXGF2108101
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0x694f5ea7f0b82923b414595b666e6dbc103343d56c15c9e7771232c72d74a9b7. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/SEXGF2108101.
      date published: 2026-07-05T18:48:28Z
    audio: Erinnerungen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 157.017
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Vierzylinder
album: Monégasque
album: Habitus Domi
album: La Pierre Dans La Forêt
album: Im Wald Versteckt
album: Sprouting
album: Am Sonnegger See
album: Schlagsahne
album: Calma Calabri
album: Cascades Décroissantes
album: Monégasquette
album: Die Eiche Am See
album: Stille

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.341

Energy
type: PropertyValue
value: 0.085

Speechiness
type: PropertyValue
value: 0.039

Acousticness
type: PropertyValue
value: 0.993

Instrumentalness
type: PropertyValue
value: 0.953

Liveness
type: PropertyValue
value: 0.098

Valence (Positivity)
type: PropertyValue
value: 0.267

Loudness (dB)
type: PropertyValue
value: -25.745

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Vierzylinder
type: MusicRecording
duration: PT2M49S
duration ms: 169459
explicit: false
by artist: Agnes Klein
in album: Calm & Peaceful Klein
  type: MusicAlbum
  date published: 2022-09-23
isrc code: SEXGF2030501
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T12:37:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e2e7a3d89285c50178bf65f1f6dd92162133fa0d1411db39e26abd65452bc94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956822
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956822
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXGF2030501
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T18:48:28Z
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 0x9e2e7a3d89285c50178bf65f1f6dd92162133fa0d1411db39e26abd65452bc94. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/SEXGF2030501.
  date published: 2026-07-05T18:48:28Z
audio: Vierzylinder
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 67.818
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.308
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.753
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Monégasque
type: MusicAlbum
date published: 2023-01-06

Habitus Domi
type: MusicAlbum
date published: 2023-01-27

La Pierre Dans La Forêt
type: MusicAlbum
date published: 2023-02-24
track: La Pierre Dans La Forêt
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178206
  explicit: false
  by artist: Agnes Klein
  in album: La Pierre Dans La Forêt
    type: MusicAlbum
    date published: 2023-02-24
  isrc code: SEXGF2398098
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T20:05:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3bffd5fae46b0b52d9dffa0ea9e92b1bd2474ed1773698649392c979a6d1514b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957750
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957750
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXGF2398098
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T20:39:38Z
  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 0x3bffd5fae46b0b52d9dffa0ea9e92b1bd2474ed1773698649392c979a6d1514b. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/SEXGF2398098.
    date published: 2026-07-12T20:39:38Z
  audio: La Pierre Dans La Forêt
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.122
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.312
    additional property: Energy
      type: PropertyValue
      value: 0.168
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.958
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.956
    additional property: Liveness
      type: PropertyValue
      value: 0.205
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.066
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.262
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Im Wald Versteckt
type: MusicAlbum
date published: 2023-03-24

Sprouting
type: MusicAlbum
date published: 2023-04-07

Am Sonnegger See
type: MusicAlbum
date published: 2023-10-13

Schlagsahne
type: MusicAlbum
date published: 2024-03-08

Calma Calabri
type: MusicAlbum
date published: 2024-04-05

Cascades Décroissantes
type: MusicAlbum
date published: 2024-06-21

Monégasquette
type: MusicAlbum
date published: 2024-08-09

Die Eiche Am See
type: MusicAlbum
date published: 2024-10-11

Stille
type: MusicAlbum
date published: 2025-02-21