Sny z podziemia

Recording by OER.

Recording identifiers

ISRC
PLC591700360
CopyrightID (CopyrightChains transaction hash)
0x59b66c18f28dc68bdd1c1b7bf35d440c0202145b1ad3ea0705e085cb30b7b302
Copyright registration time
2026-07-30T13:49:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:b27dc1d6845b3c87c1ecf7f254ca2de066f5be46dcf1acfcd8b5afba595b9b0a

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.