Blessings and Blues

Recording by Bob Margolin.

Recording identifiers

ISRC
USA2B2201647
CopyrightID (CopyrightChains transaction hash)
0x849383bbb7b0df545037643a93a602b0fd3b4a4bf8ccbbe9877946d125f6e00a
Copyright registration time
2026-06-20T07:21:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8a3ffdaf6b45399c45f3e676c1e8f826583afbee0f0eb81bcca717f0923541d7

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.