Symphony No. 5: IV. Adagietto. Sehr langsam

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF059602764
CopyrightID (CopyrightChains transaction hash)
0x14650dec820413313c7bb06df862448e6dfe401efc7ad68a8f7b2137682642be
Copyright registration time
2026-07-07T05:34:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:252f707b275ff9ada39874a6825435cf47e30f9f7990220bba8962105733cf28

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.