Pi

Recording by David Mayer.

Recording identifiers

ISRC
DEL021907021
CopyrightID (CopyrightChains transaction hash)
0xcb20c9a6ca9db738d1f879f53a538e3eedbe4d2fc4ac47fa51a32dc4aac89ddb
Copyright registration time
2026-06-27T16:51:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c0c0a0bc8e7904cc54f706e8f1c6e7bdde28174a31c5442b79bbc28f2a356a5b

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.