Say It (Over And Over Again)

Recording by John Coltrane Quartet.

Recording identifiers

ISRC
USMC16211166
CopyrightID (CopyrightChains transaction hash)
0x56e832bbd9109abcbc1a2fc6a3da15ef7dca6315575eba67522c3ddfec81c08c
Copyright registration time
2026-06-08T22:23:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:48d764870528e2279c9f2a8c15c460d1fcf93ad60907be77cb704537b1a4f4b5

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.