Day One

Recording by Leavv.

Recording identifiers

ISRC
QZNWQ2155272
CopyrightID (CopyrightChains transaction hash)
0x62783ac23993a0b0159369fd1a4241b265dbdf4215d12a64619bab3d167559e1
Copyright registration time
2026-07-06T10:58:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:bb02aea20f43d2e779fe2cd2dfab86fa6543cc81ed3168594d888ca17f9dcf8d

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.