Symphony No. 3: Ih. Tempo I

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF058032807
CopyrightID (CopyrightChains transaction hash)
0x3397e462a8bf64f610c1f2e7ec4feeda23ca16417caa015e1638ac9f5b82486f
Copyright registration time
2026-07-07T05:44:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c9c394aa99e4b1fe819acde72b3bdf512d6ed7e098e4c9149647183747916bbd

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.