Sketch 3

Recording by Tim Hecker.

Recording identifiers

ISRC
USNCB1116103
CopyrightID (CopyrightChains transaction hash)
0x94e127c6cdcd0b187ac0661657c05a422f8cb5af4d57129a542c3c62f2d2a03e
Copyright registration time
2026-06-06T03:40:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5fa01454e0b4f4c85a1cec1a8d25192433f92bc82e801b2c37418ff702fc8784

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.