ISRC DEF058700036
Verified recording
DEF058700036 is “Symphony No. 9: IIg. Tempo II - Live at Konzerthaus, Vienna, 1987” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x91e07a6675a51b770405d255f1b2ea860ba8023d744d3524a93ab61bd61400ca 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/DEF058700036.
Recording identifiers
- ISRC
- DEF058700036
- Title
- Symphony No. 9: IIg. Tempo II - Live at Konzerthaus, Vienna, 1987
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x91e07a6675a51b770405d255f1b2ea860ba8023d744d3524a93ab61bd61400ca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:7c6260b6dd39b9853dc49e91ad9b831735f941cb21593f623435c959c671a3f7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058700036
- Bitcoin block existence check
- https://blockstream.info/api/block/960381
Full record
Track page: Symphony No. 9: IIg. Tempo II - Live at Konzerthaus, Vienna, 1987 · Machine-readable JSON-LD