I går

Recording by Spira.

Recording identifiers

ISRC
NOFFM1522010
CopyrightID (CopyrightChains transaction hash)
0x581bb7d64dcd62f46b5da1154d7fa2ac9132436548c87c77154a99ddea4be6df
Copyright registration time
2026-07-31T13:57:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:0233b534626a370cb2e8cb3f12b8834f7eefe93cefe7557ef83f199653d40860

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.