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
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:02bf90c7f6c66a6c8964f00eb8b2c016abac0860aef7f252350207a266d0a2f3

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.