River Of Sorrow

Recording by Peter Brötzmann.

Recording identifiers

ISRC
ATD411809006
CopyrightID (CopyrightChains transaction hash)
0x212d5d5709af55d369fb82e1642bfc06d5dec7305231da710ece438d7672168d
Copyright registration time
2026-07-30T12:05:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34Z
Bitcoin block
960258
Canonical record hash
sha256:b54a50532d61274b10744141cb2eb9f0588c3c5b27b9ef4040eb2f57cd2c751a

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.