Rockabye Again - Revisited

Recording by Claudio Souza Mattos.

Recording identifiers

ISRC
QZNW72218532
CopyrightID (CopyrightChains transaction hash)
0x98dee6c5f7411a16a45b82b59722e7c3a485f010738ecda81e3949d4e082c0df
Copyright registration time
2026-07-06T09:32:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:1b9402e695d98b5b2e96e3b0e6d4f39a40b8ebc3d6a2a0199575ef2f48042731

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.