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

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF059204855
CopyrightID (CopyrightChains transaction hash)
0x6e18db9c9f60aaca8b8543bc74d3b58324e12b81f1997b485c00fb8f64c215d1
Copyright registration time
2026-07-06T06:56:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:91cdf9081a0bfc8bdc157f2efccb8f50955b54516c5671b110cf941b5325d035

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.