One Spring Afternoon

Recording by Matthew Mayer.

Recording identifiers

ISRC
QZRP42562620
CopyrightID (CopyrightChains transaction hash)
0xb0107d771883d50bc0bf02932b8458af3ada9936f90bcebc4a3c62f4965abf19
Copyright registration time
2026-06-07T05:37:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:5c6f4c797f75915022ed3ebac3cfd48d42abcd88cdafb12c57b9687753c90a04

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.