Symphony No. 4: II. In gemächlicher Bewegung. Ohne Hast

Recording by Gustav Mahler.

Recording identifiers

ISRC
GBDGQ0816202
CopyrightID (CopyrightChains transaction hash)
0x99ac17eb544515519bbd11c4112779b87a648de40a533a861e7f982f7022937a
Copyright registration time
2026-07-07T04:06:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0e611244906e4740608ae0afdeaee1c3f13dc0d9ef57178615f1c747f407020c

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.