Symphony No. 3 in D Minor: Part 2, II. A tempo

Recording by Gustav Mahler.

Recording identifiers

ISRC
USSM19703181
CopyrightID (CopyrightChains transaction hash)
0x7ccafee9ade03baf4e7605313a16d926fbac08be3bb95d8673aab9a0c3e80a70
Copyright registration time
2026-07-30T06:31:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:57:05Z
Bitcoin block
960218
Canonical record hash
sha256:c191fdd3e297b84737e2832d96fa0cf4caa76ace9a074d4e0c1b9e490be287d9

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.