Symphony No. 5: IV. Adagietto. Sehr langsam

Recording by Gustav Mahler.

Recording identifiers

ISRC
GBF079710584
CopyrightID (CopyrightChains transaction hash)
0x8c474231471c6037915f4ed406f081f1095da175bfe0189d87f0e4896d47ca2b
Copyright registration time
2026-06-24T11:01:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T12:58:18Z
Bitcoin block
957039
Canonical record hash
sha256:995d72124c2b148c515518dfae60cbf93006292ae61ea93bdd2f522d770cce3d

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.