Last Call (Tribute to Drumbago)

Recording identifiers

ISRC

GBAJE6900268

Release date of the album this recording appears on

1969-04-14

CopyrightID (CopyrightChains transaction hash)

0xd9a0e12d940d80573308e8d96905312485940506b82babac1668bd268dfd3588

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T15:22:21Z

Bitcoin block

960121

Canonical record hash

sha256:6a9db2bef48ec8eec9ad1733e1d4402a68b9c86abfd668c89e41c0d46b87e47b

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBAJE6900268

What this proof establishes

This recording was released in 1969, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.