ISRC USSM12003988
Verified recording
USSM12003988 is “Vier ernste Gesänge: Ich wandte mich und sahe an alle, Op. 121/2” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xaf6bec686b972df150cd665e95d2d2f889bc5b919680e9ac7882b15bfb6d3e04 and independently timestamped
in Bitcoin block 956312 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12003988.
Recording identifiers
- ISRC
- USSM12003988
- Title
- Vier ernste Gesänge: Ich wandte mich und sahe an alle, Op. 121/2
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xaf6bec686b972df150cd665e95d2d2f889bc5b919680e9ac7882b15bfb6d3e04
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T05:09:12+00:00
- Bitcoin block
- 956312
- Canonical record hash
sha256:16a491224fd325c9c706649c70c04745fb2ddcd757155ddd345f4cfba645bfbe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12003988
- Bitcoin block existence check
- https://blockstream.info/api/block/956312
Full record
Track page: Vier ernste Gesänge: Ich wandte mich und sahe an alle, Op. 121/2 · Machine-readable JSON-LD