Last Call

Recording by Albert Cummings.

Recording identifiers

ISRC
US7CU2200004
CopyrightID (CopyrightChains transaction hash)
0xd61368bb3f9d4ab44097eacb0c76052756483e33987f8004b8a6fd55f2615ded
Copyright registration time
2026-06-26T06:57:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:219ebf4f2ec3146780820827dfec3eca736b25d2db9245fbffb0267627817f18

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.