Losin' End

Recording by The Doobie Brothers.

Recording identifiers

ISRC
USWB10105081
Release date of the album this recording appears on
1976-03-12
CopyrightID (CopyrightChains transaction hash)
0x75a23a92ef2037146b362254812c1e5fbb4c64d5ae4d6bbbf96517f4853d15ad
Copyright registration time
2026-06-05T23:29:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:42508afe4eaa69c1a304d78e4f8753640fc58db3b8f64f100d63a674d539004c

What this proof establishes

This recording was released in 1976, 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.