Back Words

Recording by Jon Langston.

Recording identifiers

ISRC
USUM72200993
CopyrightID (CopyrightChains transaction hash)
0x227da6dc6dc122f6b2ecd91866208652b312e0db475b9532d968d0bc9e9a3bd0
Copyright registration time
2026-06-05T18:38:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:7b2b94f16d1d0621e1a1442c33b63183a074918cf07aea8da6b0e08865e77c1c

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.