Heavy Thoughts

Recording by Phonothek.

Recording identifiers

ISRC
USCGJ1683088
CopyrightID (CopyrightChains transaction hash)
0x7aa8b5af6f824138b1bc74b5a807152d3fe07eee06d12be91c42bc7861f32881
Copyright registration time
2026-07-07T01:55:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7c6855bb6440cd007e31f785c7156013ed063d7e0148c7970ed5a166ec1f644e

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.