Call Backs

Recording by Cocktails & Jazz.

Recording identifiers

ISRC
GX4R52331323
CopyrightID (CopyrightChains transaction hash)
0xe709d7f21eba34c0d96eb78566c2c0aa33cbe07833b3496fbd097f1613a9f927
Copyright registration time
2026-07-31T08:01:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:9f6257d59c11c99e0bd27f20d0dd6e999857c11bb73230e9df1325dfaab9042a

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.