If I Had a Hammer - 2004 Remaster

Recording by Peter, Paul and Mary.

Recording identifiers

ISRC
USWB10302468
CopyrightID (CopyrightChains transaction hash)
0x0acff27e728983bdec6cd8c0a1c228205fa0f387a4ebe56e5ffa5aa8875fb37d
Copyright registration time
2026-06-04T10:49:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:d7b651a55d884f13053b4eb0e1dad4e230a0df57686ea4558b9ab4abbf7e4e78

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.