The Piano Girls
type: MusicGroup
popularity: 4
followers: 1187
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa5e7d6564b54e9498cd96eb014a693f9478656c2540aebd27c3e76539a2ae2e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/db69bd16-c87a-492a-9bea-da9f37836120.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/db69bd16-c87a-492a-9bea-da9f37836120.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/db69bd16-c87a-492a-9bea-da9f37836120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5e7d6564b54e9498cd96eb014a693f9478656c2540aebd27c3e76539a2ae2e0. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/db69bd16-c87a-492a-9bea-da9f37836120.json and https://artists.proofprofile.net/proofs/artist/db69bd16-c87a-492a-9bea-da9f37836120.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
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album: Hey Guys, Listen to My Piano
  type: MusicAlbum
  date published: 2014-05-18
album: The Piano Girls - Hey Guys, Listen to My Piano
  type: MusicAlbum
  date published: 2014-05-18
album: Relaxing Piano Masterpieces - A Soothing Collection of the Best New Age Piano Songs
  type: MusicAlbum
  date published: 2016-08-31
album: Relaxing Piano Masterpieces - A Soothing Collection of the Best New Age Piano Songs
  type: MusicAlbum
  date published: 2016-09-08
album: Piano Music for Sleep - 50 Relaxing Songs for Sleep, New Age Piano Instrumental Meditation Music
  type: MusicAlbum
  date published: 2017-05-30
album: Midnight Blues – Moving Piano Songs for Long Distance Love
  type: MusicAlbum
  date published: 2018-04-19
album: Live Piano - Moving Piano Songs, Emotional Background for Relaxing Romantic Evening
  type: MusicAlbum
  date published: 2018-09-28
album: Relaxing Sounds to Help You Sleep: Relaxing Music With Soft Piano Music and Nature Sounds
  type: MusicAlbum
  date published: 2018-11-19
album: Cómo Estudiar Mejor 2019 - Música Relajante de Piano para Ayudar a Concentrarte y Obtener Buenos Resultados
  type: MusicAlbum
  date published: 2019-04-13
album: Massage Love Music: Relaxing Piano Music, Romantic Music, Beautiful Relaxing Music
  type: MusicAlbum
  date published: 2020-05-25
album: Romantic Piano Solo - The Most Beautiful and Romantic Piano Pieces
  type: MusicAlbum
  date published: 2021-02-16
album: New Age Piano Instrumentals: Relaxing Music for Work
  type: MusicAlbum
  date published: 2022-03-14
album: Relajación Música de Piano: Música Instrumental, Calmar la Mente, Dejar de Pensar
  type: MusicAlbum
  date published: 2022-05-18
album: Late Night Piano
  type: MusicAlbum
  date published: 2024-03-04
album: Mosaic Keys
  type: MusicAlbum
  date published: 2024-05-27
album: Grand Ascent
  type: MusicAlbum
  date published: 2024-06-24
album: Calm Key Wonders
  type: MusicAlbum
  date published: 2024-07-29