Sperl

Recording by Tosca.

Recording identifiers

ISRC
DEG930200281
CopyrightID (CopyrightChains transaction hash)
0xaf303f5800b98f63574b2ee5db68973ae3debd8f7ce0dd551a81146600bdbc85
Copyright registration time
2026-06-19T21:25:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c45a8b71e3416f34b9df4058b2518bf14d925cb3493d83a46a1a01cc5ac0efe8

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.