ISRC DEF059602761
Verified recording
DEF059602761 is “Symphony No. 5: I. Trauermarsch” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x5cdba676d0c7daf7df2eebbba06c709c766c616bb4ed4542f11481dfe5524673 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602761.
Recording identifiers
- ISRC
- DEF059602761
- Title
- Symphony No. 5: I. Trauermarsch
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x5cdba676d0c7daf7df2eebbba06c709c766c616bb4ed4542f11481dfe5524673
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:135c0bb3aae9061e2c9ff68c7f0d5553acd0bcd0f3f9fdbf8536e3a849c65291- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602761
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Symphony No. 5: I. Trauermarsch · Machine-readable JSON-LD