ISRC DEF057000893
Verified recording
DEF057000893 is “Symphony No. 7 In E Minor: I. Langsam - Allegro” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xd3a0ca71d13e7675e23f31c3bf387414afaf6fb26e41201fa4b64a8454f8da7f and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057000893.
Recording identifiers
- ISRC
- DEF057000893
- Title
- Symphony No. 7 In E Minor: I. Langsam - Allegro
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xd3a0ca71d13e7675e23f31c3bf387414afaf6fb26e41201fa4b64a8454f8da7f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:faac9057c621f300ded210cf285fdc6841ce6838bc0c02ab40bfdd4cd52e4c98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057000893
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Symphony No. 7 In E Minor: I. Langsam - Allegro · Machine-readable JSON-LD