Cotton

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM11005115
CopyrightID (CopyrightChains transaction hash)
0xec30a868fe0359a0c6ccf6c523c475cf6262f602136b21c81e3c4b590e704904
Copyright registration time
2026-07-29T11:52:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:35:17Z
Bitcoin block
960105
Canonical record hash
sha256:8936a647e9ae10c00fe5bace7d59ace21d88f550b5405111c424a807e0bde0e9

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.