a cruel guitar

Recording by Tuva Halse.

Recording identifiers

ISRC
NOWT12305020
CopyrightID (CopyrightChains transaction hash)
0x593f0f950d3fd1f2a668e45c614faef846343d66ab02bf8dd556acb291f27814
Copyright registration time
2026-08-01T02:36:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:ab65e28f14ae27608901ee55fb415de35fc252aaee26afddcc280b863040a30d

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.