Symphony No. 2 "Resurrection": IV. Urlicht. O Röschen rot!

Recording by Gustav Mahler.

Recording identifiers

ISRC
KRUM71100201
CopyrightID (CopyrightChains transaction hash)
0xb78e4c332f02a3f34e6df22d18c0c8f9ba88d723219fd933d611c42d6d7aff67
Copyright registration time
2026-07-07T08:10:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3840aca60c2d94e4451439d3ef14a0ad35cbf75505e780089d8a0d8f9c842a2c

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.