Sommer

Recording by Page Four.

Recording identifiers

ISRC
DKADG1500344
CopyrightID (CopyrightChains transaction hash)
0x8f4c44efa68f8ecb38c74a42d7c76c370071a996d92d802cb03153ba780bfc28
Copyright registration time
2026-06-04T12:20:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:16523cc6361db1127b3083a9b2d37f2f075e5ad3ed4368be8ca2fe4db55f017b

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.