Symphony No. 7 in E Minor: I. Langsam

Recording by Gustav Mahler.

Recording identifiers

ISRC
USSM10900325
CopyrightID (CopyrightChains transaction hash)
0x470f65ee8831cfc99ac5c8ba1c072c4e58b58c9fb9f05729378bf236952665bf
Copyright registration time
2026-06-24T11:00:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b1813c350d4c2b73e0f5067ede48a4a07c6f0b74e21b3967846c8afc75cb4800

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.