Playground

Recording by Henry Adam Curtis.

Recording identifiers

ISRC
USWH19401070
CopyrightID (CopyrightChains transaction hash)
0xca80b5b598502c47622ec21f0bd36ed82f9e02884ce146fe9f0c120d6affc1c0
Copyright registration time
2026-06-19T11:57:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6854e670a63b73aa205369ea8206a4bdce901faa6fa0353b99b765f09b06acaf

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.