Back & Forth

Recording by 43VA.

Recording identifiers

ISRC
USLD91753433
CopyrightID (CopyrightChains transaction hash)
0xa05885a7086139285da384db871c287b9f3f5736495693ed78e4f13758574065
Copyright registration time
2026-06-07T13:28:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:6e833f58bde31d8827ef34b221b8f775a1599da479c619983ab4a4f27624e490

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.