Brahms Lullaby

Recording by Oltan Petrak.

Recording identifiers

ISRC
SE5IB1600193
CopyrightID (CopyrightChains transaction hash)
0xa2c0de50834de29021880556166cb81897974006163bb4275186bd99eb0fdd9d
Copyright registration time
2026-06-08T15:52:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7ba7272582e6d5b2432fb225f35987da8abc43e31e71d9229b4f82287659d1e9

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.