The Hardest Part

Recording by Paulina Rodriguez.

Recording identifiers

ISRC
QZAKB1910235
CopyrightID (CopyrightChains transaction hash)
0x2ab4b925e9246f51e691d76e7636092a826ca1c1be2c97f1405315bd630fb0c3
Copyright registration time
2026-06-08T09:47:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:aee4a8c2362b71d4e93d187f704010b25d61e9b2fbdc6b33c2bad68f7caff8b6

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.