Back Then

Recording by Chuck Loeb.

Recording identifiers

ISRC
USA560556017
CopyrightID (CopyrightChains transaction hash)
0x1c2db34ca5af6482c6f84101e29195faa4599b634530df11fc3011b71503f37a
Copyright registration time
2026-07-06T22:55:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7c983e12f90337e06575651a3f4fa14ba3a6a261ea7c8193706ba5d0f253a63f

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.