Peter's Birthday

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEN961530502
CopyrightID (CopyrightChains transaction hash)
0x137490486f945fa8f7cba1ad06f7535246116fc158e39754ad1e0dfe21f37768
Copyright registration time
2026-07-07T12:08:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6f115e2dde0848ca79be6ea2dd24851daf8c8247594437997e57e6541dbec4ab

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.