Symphony No. 3, Pt. II: IV. Sehr langsam. Misterioso

Recording by Gustav Mahler.

Recording identifiers

ISRC
GBDGQ0716004
CopyrightID (CopyrightChains transaction hash)
0x3b2f27b32d2b6a153c05203ec780f4a099ff62d1e450799690f5e2512a5cdfe1
Copyright registration time
2026-07-07T04:51:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4daf209bd30b599f98089ddbc4f33147788c79b06c2e7887cf9b52bcaf4b215a

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.