Approaching Spring

Recording by Matthew Mayer.

Recording identifiers

ISRC
QZTL92553663
CopyrightID (CopyrightChains transaction hash)
0x1fed68fe84e56bd936089eeba29b7f993f0da81ac488c22a58c9ecc802cef75c
Copyright registration time
2026-06-07T04:25:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:7ba6130359a22328dd4c94d90298957bcbb41c4cec568531b749488e1ce07f78

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.