Extime

Recording by Ma Sha.

Recording identifiers

ISRC
COAB11900224
CopyrightID (CopyrightChains transaction hash)
0xc59b018b913f6336033e59697e318edefdb9d11dc141ddf91007c3533b9d8901
Copyright registration time
2026-06-25T19:28:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:fb1c4a42adf97bff4aa3f221bb979a3027c313d3be10fdd457e4b47497c4bbdb

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.