ISRC USSM10013862
Verified recording
USSM10013862 is “Aria. Seufzer, Tränen, Kummer, Not (From Cantata No. 21 "Ich hatte viel Bekümmernis", BWV 21)” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4ec182a759dac72a991e4ca80a558a36c367693246c8cb8e514c8b3a926ebbf0 and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10013862.
Recording identifiers
- ISRC
- USSM10013862
- Title
- Aria. Seufzer, Tränen, Kummer, Not (From Cantata No. 21 "Ich hatte viel Bekümmernis", BWV 21)
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4ec182a759dac72a991e4ca80a558a36c367693246c8cb8e514c8b3a926ebbf0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:1ef1b12b3eb867936ef5d7c7aa21bdb58ffec8d2de1f5335380c1ab6594a046d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10013862
- Bitcoin block existence check
- https://blockstream.info/api/block/960117
Full record
Track page: Aria. Seufzer, Tränen, Kummer, Not (From Cantata No. 21 "Ich hatte viel Bekümmernis", BWV 21) · Machine-readable JSON-LD