ISRC DEF059802722
Verified recording
DEF059802722 is “Symphony No. 1 in D Major: II. Kräftig bewegt, doch nicht zu schnell” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xc2040cfbe248530e0e0291175aa7887f23cef4d49963618ef53c9e9e48e50ec8 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/DEF059802722.
Recording identifiers
- ISRC
- DEF059802722
- Title
- Symphony No. 1 in D Major: II. Kräftig bewegt, doch nicht zu schnell
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xc2040cfbe248530e0e0291175aa7887f23cef4d49963618ef53c9e9e48e50ec8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d395aeeec074da8a8623554a29fbd0cabcb73719c340d2a0e394cc78de169d0c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059802722
- 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