Symphony No. 6: I. Allegro energico, ma non troppo

Recording by Gustav Mahler.

Recording identifiers

ISRC
DESR72036126
CopyrightID (CopyrightChains transaction hash)
0xc3bd6693d905bad38b853f8b95ab67a5705d4a1c7068df35b32a767ce2d53203
Copyright registration time
2026-06-18T14:54:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:284ddfe9f02547b4a2ee5d2c9b4f36a69efb077bf296ac4e827405b3a5dc1a53

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.