Symphony No. 7: I. Langsam – Allegro risoluto, ma non troppo

Recording by Gustav Mahler.

Recording identifiers

ISRC
GBF077110001
CopyrightID (CopyrightChains transaction hash)
0xee39518276ca57bca6ce8f81c85222a4a4a0b56eaa713e4ebb0b0afce731c6b0
Copyright registration time
2026-07-06T23:27:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8ceffdb7c65d57a19112c2b4909d54a5b4d90809a00e95bf2fb6eaca4faced8b

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.