Bridges and Walls

Recording by Holly North.

Recording identifiers

ISRC
DE1A12193288
CopyrightID (CopyrightChains transaction hash)
0xb90c3447d32961f6c589786a511642baa6a9656a8624c6626795b25b73277290
Copyright registration time
2026-07-31T12:19:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:128b5db16a32b3d0618ebeeff224378b01315d9ac5ff471da68fb061e1795962

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.