ISRC USFM91800463
Verified recording
USFM91800463 is “Cecilia Climbs the Tower” by David Hirschfelder,
registered on the CopyrightChains blockchain with CopyrightID
0xeec97233a994d56ab57998ec0cc233953b513786dfa8864f2133ea6afeab94a0 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFM91800463.
Recording identifiers
- ISRC
- USFM91800463
- Title
- Cecilia Climbs the Tower
- Artist
- David Hirschfelder
- CopyrightID (CopyrightChains transaction hash)
0xeec97233a994d56ab57998ec0cc233953b513786dfa8864f2133ea6afeab94a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:2f2e093c818f62c47b8d5940416b19f2bdb76227438bce841fa90ba19caf9b81- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFM91800463
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Cecilia Climbs the Tower · Machine-readable JSON-LD