Bambini Di Praga
type: MusicGroup
description: Bambini di Praga ("Children of Prague" in Italian) was a Czech children's choir based in Prague and active from 1973 to 2011. The collective was composed mainly of girls. History Early days and prede
popularity: 27
followers: 2185
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  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
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  date published: 2026-06-12T19:24:56Z
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album: Dvořák: Stabat Mater & Psalm 149
  type: MusicAlbum
  date published: 1991-08-01
track: Stabat Mater, Op. 58, B. 71: X. Quando corpus morietur. Andante con moto
track: Stabat Mater, Op. 58, B. 71: VII. Virgo virginum praeclara. Largo

Stabat Mater, Op. 58, B. 71: X. Quando corpus morietur. Andante con moto
type: MusicRecording
duration: PT7M35S
duration ms: 455093
explicit: false
by artist: Antonín Dvořák
by artist: Eva Urbanová
by artist: Marta Benackova
by artist: John Uhlenhopp
by artist: Peter Mikuláš
by artist: Prague Symphony Orchestra
by artist: Bambini Di Praga
by artist: Prague Philharmonic Choir
by artist: Jiří Bělohlávek
by artist: Blanka Kulínská
by artist: Jaroslav Brych
in album: Dvořák: Stabat Mater
  type: MusicAlbum
  date published: 1997-01-01
popularity: 4
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: CZA169710140
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Stabat Mater, Op. 58, B. 71: X. Quando corpus morietur. Andante con moto
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Stabat Mater, Op. 58, B. 71: VII. Virgo virginum praeclara. Largo
type: MusicRecording
duration: PT6M22S
duration ms: 382666
explicit: false
by artist: Antonín Dvořák
by artist: Prague Symphony Orchestra
by artist: Bambini Di Praga
by artist: Prague Philharmonic Choir
by artist: Jiří Bělohlávek
by artist: Blanka Kulínská
by artist: Jaroslav Brych
in album: Dvořák: Stabat Mater
  type: MusicAlbum
  date published: 1997-01-01
popularity: 4
genre: classical
genre: late-romantic-era
genre: czech-classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5911117df4aa777156eb76b792963aaf8350fcee8c1198e6e9e77af3295dafb6. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/CZA169707140.
  date published: 2026-07-30T07:48:45Z
audio: Stabat Mater, Op. 58, B. 71: VII. Virgo virginum praeclara. Largo
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isrc code: CZA169707140
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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