Ernst Gröschel
type: MusicGroup
genre: classical
description: Ernst Gröschel (9 December 1918 in Nuremberg – 5 May 2000 in Zams, Tirol) was a German pianist. Gröschel studied with Emil von Sauer and others in Vienna. He is regarded as the first pianist who playe
popularity: 7
followers: 177
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f7dae174a96287002a51906a1e533ad403110310494651c78e0964cfcc0f33a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a46ba75-cd34-46ed-97a4-fa8239037113.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a46ba75-cd34-46ed-97a4-fa8239037113.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4a46ba75-cd34-46ed-97a4-fa8239037113
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0f7dae174a96287002a51906a1e533ad403110310494651c78e0964cfcc0f33a","name":"Ernst Gröschel","registered_at":"2026-06-16T15:30:32Z","symbol":"NIM1095523","token_address":"0xfa4c71f5664328c7e69a749276529bb8953ee803","type":"artist","uuid":"4a46ba75-cd34-46ed-97a4-fa8239037113"}
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f7dae174a96287002a51906a1e533ad403110310494651c78e0964cfcc0f33a. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a46ba75-cd34-46ed-97a4-fa8239037113.json and https://artists.proofprofile.net/proofs/artist/4a46ba75-cd34-46ed-97a4-fa8239037113.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x0f7dae174a96287002a51906a1e533ad403110310494651c78e0964cfcc0f33a","name":"Ernst Gröschel","registered_at":"2026-06-16T15:30:32Z","symbol":"NIM1095523","token_address":"0xfa4c71f5664328c7e69a749276529bb8953ee803","type":"artist","uuid":"4a46ba75-cd34-46ed-97a4-fa8239037113"}
album: Chopin: Nocturnos y Estudios
  type: MusicAlbum
  date published: 1974-06-13
album: Piano Recital
  type: MusicAlbum
  date published: 1976-10-22
album: Seven Piano Pieces op. 11 No. 1
  type: MusicAlbum
  date published: 2006-01-16
album: Waltzes
  type: MusicAlbum
  date published: 2006-08-16
album: Haydn: Andante With Variations In F Minor, Hob. Xvii:6
  type: MusicAlbum
  date published: 2007-08-03
album: Schumann: Album for Youth
  type: MusicAlbum
  date published: 2009-01-01
album: Schumann: Album for Youth
  type: MusicAlbum
  date published: 2009-07-01
album: Kodaly: Seven Pieces for Piano Op.11
  type: MusicAlbum
  date published: 2010-05-17
album: Schumann: Kinderszenen "Scenes from Childhood" Op.15
  type: MusicAlbum
  date published: 2010-05-17
album: Mozart: Flute Concerto No.1 in D Major K. 285
  type: MusicAlbum
  date published: 2010-05-17
album: Bartók: Hungarian Peasant Tunes No. 1 - 15, Sz. 71 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-02-13
album: Beethoven: Concerto for Piano & Orchestra No. 4 in G Major, Op. 56 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-02-13
album: Bartók: Piano Pieces (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-02-13
album: Beethoven: Sonata for Piano No. 24 in F-Sharp Major, Op. 78 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-02-28
album: Brahms: Variations and Fugue for Piano on a Theme by Händel in B Major, Op. 24 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-04-17
album: Debussy: Images I for Piano, L.110 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-06-25
album: Debussy: Arabesque No. 1 in E Major, L. 66 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-06-25
album: Debussy: Estampes, L. 100 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-06-25
album: Kodály: Seven Pieces for Piano, Op. 11 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-09-03
album: Haydn: Piano Sonata in F Major, Hob. XVI:23 (Digitally Remastered)
  type: MusicAlbum
  date published: 2013-09-20
track: Kinderszenen, Op. 15: No. 7. Traumerei
track: Sonata No. 12 in D Minor, Op. 5, "La Follia": Variations over an old Spanish Sarabande

Kinderszenen, Op. 15: No. 7. Traumerei
type: MusicRecording
duration: PT0M42S
duration ms: 42493
explicit: false
by artist: Robert Schumann
by artist: Ernst Gröschel
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSJ10813899
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:54:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a3554c391c09eff198e10e4cf34116d1e4c421808fff2a867bcc86e9b26d6fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813899
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a3554c391c09eff198e10e4cf34116d1e4c421808fff2a867bcc86e9b26d6fb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USSJ10813899.
  date published: 2026-07-08T03:20:19Z
audio: Kinderszenen, Op. 15: No. 7. Traumerei
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.537
  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: 0.398
  additional property: Energy
    type: PropertyValue
    value: 0.117
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.926
  additional property: Liveness
    type: PropertyValue
    value: 0.148
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.14
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.015
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata No. 12 in D Minor, Op. 5, "La Follia": Variations over an old Spanish Sarabande
type: MusicRecording
duration: PT14M29S
duration ms: 869720
explicit: false
by artist: Arcangelo Corelli
by artist: Ernst Gröschel
by artist: Leon Spierer
in album: Baroque Masterminds
  type: MusicAlbum
  date published: 2012-01-10
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: SEWDL9430578
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:12:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2612f8279865829c5ed7e381d8172b3e62a786fd110626fd6c447fb071e6fa92
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9430578
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2612f8279865829c5ed7e381d8172b3e62a786fd110626fd6c447fb071e6fa92. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9430578.
  date published: 2026-07-08T03:22:41Z
audio: Sonata No. 12 in D Minor, Op. 5, "La Follia": Variations over an old Spanish Sarabande
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.987
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.387
  additional property: Energy
    type: PropertyValue
    value: 0.143
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.679
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.289
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.923
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor