ISRC USSM12003985
Verified recording
USSM12003985 is “6 Chorale Preludes, BV B 50: O Welt, ich muss dich lassen, Op. 122/11” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x3bd33e435202e0a6d720dd6f726b8d1671823963ad2e492caa1925b8231f6e16 and independently timestamped
in Bitcoin block 959123 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12003985.
Recording identifiers
- ISRC
- USSM12003985
- Title
- 6 Chorale Preludes, BV B 50: O Welt, ich muss dich lassen, Op. 122/11
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x3bd33e435202e0a6d720dd6f726b8d1671823963ad2e492caa1925b8231f6e16
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T11:35:32+00:00
- Bitcoin block
- 959123
- Canonical record hash
sha256:77addc9dd9a739253a73d4d6ca8517526ab494b8fb9bf2aa922ccfc053ddcacb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12003985
- Bitcoin block existence check
- https://blockstream.info/api/block/959123
Full record
Track page: 6 Chorale Preludes, BV B 50: O Welt, ich muss dich lassen, Op. 122/11 · Machine-readable JSON-LD