Vivu Esperanto!

Recording by Sam Rydberg.

Recording identifiers

ISRC
UK97H1500606
CopyrightID (CopyrightChains transaction hash)
0x2aaea2fa64c4e038a2f67047cffdb8eb91f21e0d4b713aeae5828bf30bc67cc0
Copyright registration time
2026-07-31T22:50:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:8345a80135472f493389119bcd6c87651bef2f8301928476fdd1e5fc608a8ff0

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.