Symphony No. 2 "Resurrection": Ie. Tempo sostenuto - Live

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF058700003
CopyrightID (CopyrightChains transaction hash)
0xa0529f2bbdb2203e5d5df6b4b2e6209c71510acb424867c2a226e6e0e0806a7a
Copyright registration time
2026-06-11T06:07:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e5d9197b8ed17bf335780480f608855f089d70c6f163be943367f18448a5658c

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.