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

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF059431601
CopyrightID (CopyrightChains transaction hash)
0x756aa516566aa280d6b91b3453da5e2dc979d7b981e27cd442e1f7e2b8b5dfbd
Copyright registration time
2026-07-31T21:11:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:6b2be75e9edd21d3c7b89993b510bf21fb3026eb4bd3256382608521f0c45784

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.