ISRC GBBBC2400532
Verified recording
GBBBC2400532 is “Sleep, Jesus (From "2 Christmas Lullabies") [Arr. Tsupryk for Saxophone & Ensemble]” by Valentin Silvestrov,
registered on the CopyrightChains blockchain with CopyrightID
0x6eba50a04922131192b5faa612ecd91f17222d0fc68872b6f0e6a383f1ccde39 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2400532.
Recording identifiers
- ISRC
- GBBBC2400532
- Title
- Sleep, Jesus (From "2 Christmas Lullabies") [Arr. Tsupryk for Saxophone & Ensemble]
- Artist
- Valentin Silvestrov
- CopyrightID (CopyrightChains transaction hash)
0x6eba50a04922131192b5faa612ecd91f17222d0fc68872b6f0e6a383f1ccde39
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:b82767dc3971e32e309e22feccd55f0ff8890037c56864dd27f9b81d78850fd8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2400532
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Sleep, Jesus (From "2 Christmas Lullabies") [Arr. Tsupryk for Saxophone & Ensemble] · Machine-readable JSON-LD