Symphony No. 2: I. Con passione

Recording by Grażyna Bacewicz.

Recording identifiers

ISRC
DEB202366002
CopyrightID (CopyrightChains transaction hash)
0xee411622bb3972e4e17340de35c5b739c1537dbb4495748ba9b623b33e1d0924
Copyright registration time
2026-07-07T04:51:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7fcbc05af2edea0ad1a1b08cea187f90afcb599da8509beb0410d4d657638deb

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.