OT-2026-000007459
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, pump fed, contact triggered, silicone cups
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-2026-000007459) never changes.
Identity and time
| Publication number | OT-2026-000007459 · never reused |
|---|---|
| Internal UUID | 01a0a97f-9339-702e-9411-ef22816d6d7b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:15:05.403836Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007459 |
| Status | PUBLIC |
Content hashes
| Canonical text | 47a842a9629459cf900d809f6af00bd138de7cd7241b3149a2fa303a0dd90945 |
|---|---|
| Markdown | 4832524dea27ef7f3240f89f8c35df44b509ff66a87b6a5f566810a8ec506bf2 |
| Publication page | b21cd3bfd8d2d0348408a1f455c0b965f2f87316c9a8fdfc04156ee0be1f44c8 |
| Manifest | ca22ffed7f04558f4e81d7aa04c1f139baac469ab384934d65b2b8808e2b57d1 |
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 | eu9rdvjZB90pB3W4G4nmUmbP4C2ZSwam3ZXNgyUzcdsRL3wD9iEMfBVa8HmQ76PkAYaURiewobFaxFJynJ4mBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:04.222279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007459observed b21cd3bfd8d2d0348408a1f455c0b965...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:04.208001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007459/manifest.jsonobserved ca22ffed7f04558f4e81d7aa04c1f139...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:04.195805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007459/publication.mdobserved 4832524dea27ef7f3240f89f8c35df44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:04.182444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007459/publication.txtobserved 47a842a9629459cf900d809f6af00bd1...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. |
|---|