ISRC DEF059802723
Verified recording
DEF059802723 is “Symphony No. 1 in D Major: III. Feierlich und gemessen, ohne zu schleppen” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x9121f8828a294b30bcfad7937f4064161d2340f4deaef91ce3e8fbd2c158d868 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059802723.
Recording identifiers
- ISRC
- DEF059802723
- Title
- Symphony No. 1 in D Major: III. Feierlich und gemessen, ohne zu schleppen
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x9121f8828a294b30bcfad7937f4064161d2340f4deaef91ce3e8fbd2c158d868
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:7e408390cf0711bf34361ee2df79ef04412633f44751a192be30f1117b97cdcc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059802723
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Symphony No. 1 in D Major: III. Feierlich und gemessen, ohne zu schleppen · Machine-readable JSON-LD