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
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f432fb8a0935142ebb21d366295b7a44eb6c1ea01604b4f4e32fcea2c38a6aaa

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.