ISRC DEF057800084
Verified recording
DEF057800084 is “Chamber Symphony No. 1, Op. 9 - Arr. Anton Webern: Viel langsamer (77)” by Arnold Schoenberg,
registered on the CopyrightChains blockchain with CopyrightID
0x41f74625ba0c2ab122f51f41a01bd2562a0c5662a8bf57eef536dc5cb310ecc6 and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057800084.
Recording identifiers
- ISRC
- DEF057800084
- Title
- Chamber Symphony No. 1, Op. 9 - Arr. Anton Webern: Viel langsamer (77)
- Artist
- Arnold Schoenberg
- CopyrightID (CopyrightChains transaction hash)
0x41f74625ba0c2ab122f51f41a01bd2562a0c5662a8bf57eef536dc5cb310ecc6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:2a1d5940043884159cb4f68a2dc3200c5ccd359a0ab4e24dbd2a200c23cf8a89- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057800084
- Bitcoin block existence check
- https://blockstream.info/api/block/960381
Full record
Track page: Chamber Symphony No. 1, Op. 9 - Arr. Anton Webern: Viel langsamer (77) · Machine-readable JSON-LD