A Depth Returns

Recording by Dark Castle.

Recording identifiers

ISRC
USTC80949666
CopyrightID (CopyrightChains transaction hash)
0xa1e6ec781d43a6e01eefd0cc486ec3cab8fe91eb776eb009120f7f8a03906342
Copyright registration time
2026-07-06T10:29:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T11:02:43Z
Bitcoin block
957026
Canonical record hash
sha256:f5058d853ef8983b77dd1ca3400a9f80f3bf81e13e052a9f57fc4b801aa2bad3

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.