I. Allegro energico, ma non troppo

Recording by Gustav Mahler.

Recording identifiers

ISRC
BRTRB2403752
CopyrightID (CopyrightChains transaction hash)
0xaac1011a6e3779b37eab89a41a66ab9e2413ba87bb930a1174ca9de0ce5131f5
Copyright registration time
2026-07-31T22:08:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:8b2692cd2d2414c719552a61ba5d713b833fe144eaff2e6020ecff92a509a556

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.