Um + Um

Recording by Xênia França.

Recording identifiers

ISRC
BXXXL1600005
CopyrightID (CopyrightChains transaction hash)
0x8027aa48c78f01adc136e04a879008c509d3a92e156cde0ceb922660e26a6d32
Copyright registration time
2026-07-06T11:08:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:c552dea6ef5ff20547e2bb2e07a7b5b2fbb59a4dbe58a3735f06ee3563b2c652

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.