Irreversible

Recording by Hildur Guðnadóttir.

Recording identifiers

ISRC
USLS52107003
CopyrightID (CopyrightChains transaction hash)
0x3f16225353d77c1663b2dd876bd69032c62b8013226962c223a19b58736cb31b
Copyright registration time
2026-06-22T20:13:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:2a7a71ed03cdac564f9ad2adce7d2efe31024562ff55e01d3e683561a1431319

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.