Reconnaissance: I. The First Martian in a Long Time

Recording by Kaija Saariaho.

Recording identifiers

ISRC
SEAEC2362180
CopyrightID (CopyrightChains transaction hash)
0x75369f8b6ed81dbaa7b70688bb40b98fb5a47ca65713dbdf73964967b78b6867
Copyright registration time
2026-07-07T02:43:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:bb8b1e9591368a31f9061bbab3044f910f5334a081086a8db76ca45bde38cf1b

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.