Intermezzo 1

Recording by Calcutta .

Recording identifiers

ISRC
ITL771502063
CopyrightID (CopyrightChains transaction hash)
0x8e28a576887c25606b9636d585e4b4b1d8d89351494b1507e539772fbf9c774c
Copyright registration time
2026-06-08T17:40:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:21cf5eabd568627f94ba895bdbc9c1ce9f3942c6701f37c4258f0dca204036ca

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.