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Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF059305502
CopyrightID (CopyrightChains transaction hash)
0xa78b7f3622091e12aa7e866cef8c3f1e100b939bdcdcc04cf76feabd44942cee
Copyright registration time
2026-07-07T16:08:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a4597a9b4cea12236b1f6644919e98fd778ce94e2fb4e6737310b1ee8a50cf0d

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.