OT-2026-000004181
Publication integrity record
Vacuum cup gripper, per zone isolation, two outlet manifold, pump fed
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-2026-000004181) never changes.
Identity and time
| Publication number | OT-2026-000004181 · never reused |
|---|---|
| Internal UUID | 01a0a911-01d2-75a4-9703-5efea31af4f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:19.221409Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004181 |
| Status | PUBLIC |
Content hashes
| Canonical text | c2fdd479bc6bd99c52f8f194b1067a673157e6165a90e577b159ad1c6aadb2ee |
|---|---|
| Markdown | 76bef3e1328fb93aa29148f0b7ef2a21d0589dd028c68a34374fed626ab022c5 |
| Publication page | 2dda2acccd508e77c704ffc83185227725971b690ad0eb1b41528cf87e9f889d |
| Manifest | 343663a45b8aefadb4d6916055fd53ffa4202d3119a3eeb2cd3d523438b2e460 |
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 | sFcDmc3PEH13KjPiDtfiJn0+5DviPi83adCiKew1CG8lYRYbzsq3fkkvm1TkhKc1sYuMs3CPxop6GiyXNoqlDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:26.994196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004181observed 2dda2acccd508e77c704ffc831852277...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:26.980855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004181/manifest.jsonobserved 343663a45b8aefadb4d6916055fd53ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:26.968794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004181/publication.mdobserved 76bef3e1328fb93aa29148f0b7ef2a21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:26.953764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004181/publication.txtobserved c2fdd479bc6bd99c52f8f194b1067a67...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. |
|---|