ISRC GBF078300202
Verified recording
GBF078300202 is “Symphony No. 1 in D Major: II. Kräftig bewegt, doch nicht zu schnell” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x4fe1de8f23a85a5d8725a5251eacf774459c7f2f23e660d592665a0d57cd4e2d and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078300202.
Recording identifiers
- ISRC
- GBF078300202
- Title
- Symphony No. 1 in D Major: II. Kräftig bewegt, doch nicht zu schnell
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x4fe1de8f23a85a5d8725a5251eacf774459c7f2f23e660d592665a0d57cd4e2d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c8711c58d2613f721bdec1f67ef6bb78db90a3239ce82ed5cd383050f4c61888- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078300202
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 1 in D Major: II. Kräftig bewegt, doch nicht zu schnell · Machine-readable JSON-LD