Bach, JS: Ich hatte viel Bekümmernis, BWV 21: No. 2, Chor. "Ich hatte viel Bekümmernis"

Recording identifiers

ISRC

DEA807103502

Release date of the album this recording appears on

1972

CopyrightID (CopyrightChains transaction hash)

0x9aad094ede55953c8b352c525d9212d936d11bed012d6bfc3bfb64cb555d53bd

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T19:53:13Z

Bitcoin block

960455

Canonical record hash

sha256:2817f05513990cf52286cfd046f84533b876dc4c62cb5938e4e754414aa0b3fe

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DEA807103502

What this proof establishes

This recording was released in 1972, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.