Mary, Did You Know

Recording identifiers

ISRC

QZCKC2200260

CopyrightID (CopyrightChains transaction hash)

0xf49ccd444cd2719979b6d9816f39840e5d8c8e2882437f595cf34be5a3216592

Copyright registration time

2026-07-07T12:21:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:60192e8f6ac5aa203419926c0ba92dac1dd8e69ddeba89d5d629974ba31e1058

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.