Ulrica

Recording by Eté & Los Problems.

Recording identifiers

ISRC
UYS050700442
CopyrightID (CopyrightChains transaction hash)
0x87526d9d45747c69a9780ddd8485cfbd1c9bd26f853e565a7404e557c53086ff
Copyright registration time
2026-06-25T12:23:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8533a6916b02d76bd1224189819f8aeba5b82dafd066df8d8918765c3f405e9f

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.