OT-2026-000004756
Publication integrity record
Vacuum cup gripper, three zone face, four outlet manifold, pump fed, pressure verified, contact triggered
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004756) never changes.
Identity and time
| Publication number | OT-2026-000004756 · never reused |
|---|---|
| Internal UUID | 01a0a922-5c36-7dfe-95f4-6a2e91d46d27 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:16.474066Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004756 |
| Status | PUBLIC |
Content hashes
| Canonical text | c835892ce77ff8889f4bfc2d9378602e6a107f5b3834620a333e8ad0a90f54ad |
|---|---|
| Markdown | 0fb194571adc06c330a83452109ddf9a496f237eba361cd4c4e47429f672b3e2 |
| Publication page | 7fe180e1c3e4098df01e6903d4f0fc994fc9a0973f92d223a6cc5637d21be37e |
| Manifest | 342c263c43bb9523454862027d8b26a1ef4de287e66f728da88826bcd81ca418 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | NQtB+VsQLg8dwgHUdhCgwXb4s2xtBWs8nZTZM6fhMQR5PbmPU3MA+t678VFGVmdReIouFFtHLsnLPDwF+e+9AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:22.394808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004756observed 7fe180e1c3e4098df01e6903d4f0fc99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:22.380993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004756/manifest.jsonobserved 342c263c43bb9523454862027d8b26a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.242917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004756/publication.mdobserved 0fb194571adc06c330a83452109ddf9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:22.227556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004756/publication.txtobserved c835892ce77ff8889f4bfc2d9378602e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|