Intro-Longing

Recording by Thomas Blug.

Recording identifiers

ISRC
GBFNU1200009
CopyrightID (CopyrightChains transaction hash)
0x4511cfa224ed03c05ac368cd6b0e9f5fbc71e46d6e5c4de756eb37d668ea79e5
Copyright registration time
2026-07-30T21:34:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:19df00c950123f6b87b8b81a9133df8d794aae48b0ba171ee0de847d04226f72

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.