With or Without

Recording by Léa Sen.

Recording identifiers

ISRC
USBQU2100205
CopyrightID (CopyrightChains transaction hash)
0x68fc6af916e7c9ffa8a948cebb5d6f51bd638453ddc6c0681867b4f49f0e67d1
Copyright registration time
2026-07-06T18:10:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-14T18:13:17Z
Bitcoin block
958041
Canonical record hash
sha256:7066efc601ac673581bc54d5661bc5f143a010be01391fc5178ed147f73fcad1

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.