Turning: Turning Back

Recording by Alex de Grassi.

Recording identifiers

ISRC
USWH18301057
CopyrightID (CopyrightChains transaction hash)
0x3f7fac1f6ab8a314aa50beb53efc6f6f1d548e6d56e0afc6ea5724d3688c98a3
Copyright registration time
2026-06-20T06:54:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0f9df96db983cc976d5d7ae7d1d8e2b5cded3df4a4360945b980094ed25899cf

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.