Ei oo, ei tuu

Recording by Lea Laven.

Recording identifiers

ISRC
FISMC8000045
CopyrightID (CopyrightChains transaction hash)
0xbf98dce1f1fb051653f8234b2221fe2e8a6337ca2dda402fc80f4fbd2ef65d1c
Copyright registration time
2026-06-06T00:08:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:c09945b1b96f0c429db849169ab422cc74b50d977a06b5a77173728b98941fe1

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.