ISRC DEF057100132
Verified recording
DEF057100132 is “Symphony No. 4 in D Minor, Op. 120: II. Romanze. Ziemlich langsam” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x071d9d5c3e0090753faa399bf1fcae18c0822dd5d7a66be0a657997264d5a896 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100132.
Recording identifiers
- ISRC
- DEF057100132
- Title
- Symphony No. 4 in D Minor, Op. 120: II. Romanze. Ziemlich langsam
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x071d9d5c3e0090753faa399bf1fcae18c0822dd5d7a66be0a657997264d5a896
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:6c930ba77146488cb9622328c1aab4e04d0a61c6666118761fcd0765fe7124e9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100132
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Symphony No. 4 in D Minor, Op. 120: II. Romanze. Ziemlich langsam · Machine-readable JSON-LD