ISRC DEL111700337
Verified recording
DEL111700337 is “Hämmerchen-Polka (Und dann hau' ich mit dem Hämmerchen mein Sparschwein kaputt)” by Heinz Gietz,
registered on the CopyrightChains blockchain with CopyrightID
0x57ec09124d4fdb6d0c6a5ab7afff5a7d56ac2a527aa4261b7a27d2ced4042879 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/DEL111700337.
Recording identifiers
- ISRC
- DEL111700337
- Title
- Hämmerchen-Polka (Und dann hau' ich mit dem Hämmerchen mein Sparschwein kaputt)
- Artist
- Heinz Gietz
- CopyrightID (CopyrightChains transaction hash)
0x57ec09124d4fdb6d0c6a5ab7afff5a7d56ac2a527aa4261b7a27d2ced4042879
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:dcaf66a280a1a05749ce9a12d61764771918d8a69edae70c93457441d8356c0f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111700337
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Hämmerchen-Polka (Und dann hau' ich mit dem Hämmerchen mein Sparschwein kaputt) · Machine-readable JSON-LD