How Long

Recording by Lisandro Aristimuño.

Recording identifiers

ISRC
USHM81369668
CopyrightID (CopyrightChains transaction hash)
0xa4a8ac59edcdb2df2b61c1f83dc8dd66048c61ab0ef7f7e29bd728344cfd320f
Copyright registration time
2026-06-06T06:09:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ca74a182bb7d81eae57b7db439ef8587fb4790347aa6e7c387dcf7282fe16fd0

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.