Symphony No. 2 "Resurrection": Id. Tempo I

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF059204854
CopyrightID (CopyrightChains transaction hash)
0xe9b07e161d50934d433a2928722553205bb3873b0c7460da5e1af16abd45c5f3
Copyright registration time
2026-07-06T05:34:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c4a9036cfe451f2498ba756582c9a89979e4a21ad62f2d231669d64489b0af5e

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.