Hop Head

Recording by Duke Ellington & His Washingtonians.

Recording identifiers

ISRC
USSM10021606
CopyrightID (CopyrightChains transaction hash)
0x17ac707b9f95e8c4acd01eb3928de4873afd1395433f4366bdc7bd292ec836e6
Copyright registration time
2026-07-29T10:23:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:435ab654260323f56fb2f1423eb108cdd1a0393532e29bfacc5e007931e5c2f9

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.