If I Had a Hammer

Recording by Trini Lopez.

Recording identifiers

ISRC
USRE10101217
CopyrightID (CopyrightChains transaction hash)
0xdfe0a16a476a6d502e791a9e1d2f3221d6037aa07fce5f7c0cc2b9faf6a87de8
Copyright registration time
2026-07-06T20:25:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:64e7625adf34b9c04be19332ba38056eb537ccefd8684b2afacf8381e1a1a74f

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.