ISRC DERK61947701
Verified recording
DERK61947701 is “Symphony No. 9 in D Major: I. Andante comodo (Live)” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x1407d63146e64ddab1f46000b2b8c7121ccc7567bdd82631a07ea9c33f573234 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK61947701.
Recording identifiers
- ISRC
- DERK61947701
- Title
- Symphony No. 9 in D Major: I. Andante comodo (Live)
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x1407d63146e64ddab1f46000b2b8c7121ccc7567bdd82631a07ea9c33f573234
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:3a8eee2f7294ba40a1e403034e6dd00c242d89e7ddd2d8d1f9ecfc21a9c77b31- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK61947701
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Symphony No. 9 in D Major: I. Andante comodo (Live) · Machine-readable JSON-LD