onceonce

Recording by MEFIS7O.

Recording identifiers

ISRC
AEA3A2277712
CopyrightID (CopyrightChains transaction hash)
0xc7da6322fd62090935c6548035a3fe0ca5c54a536b485a6cb81cc8bc1679c115
Copyright registration time
2026-06-17T10:43:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:153be6d9407a669824a5c9babf85a7e706a437888dca8c4108621e11a3ea84a8

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.