ISRC DEF058700037
Verified recording
DEF058700037 is “Symphony No. 9: IIh. [8 bars before] Tempo I subito - Live at Konzerthaus, Vienna, 1987” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x3b35559a26de693cb8d703e660133a7f0ebd95d1c357c698168ff1e2541e67c6 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058700037.
Recording identifiers
- ISRC
- DEF058700037
- Title
- Symphony No. 9: IIh. [8 bars before] Tempo I subito - Live at Konzerthaus, Vienna, 1987
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x3b35559a26de693cb8d703e660133a7f0ebd95d1c357c698168ff1e2541e67c6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:ccc19ad1b6e52852e99ebcdaf2c1f5d52f35e287459a4f355d27f3dc1312cfab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058700037
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Symphony No. 9: IIh. [8 bars before] Tempo I subito - Live at Konzerthaus, Vienna, 1987 · Machine-readable JSON-LD