OT-2026-000004495
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, two stage ejector, pressure verified
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-2026-000004495) never changes.
Identity and time
| Publication number | OT-2026-000004495 · never reused |
|---|---|
| Internal UUID | 01a0a919-e60b-7141-81fc-94a1f5d45796 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:01.933828Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004495 |
| Status | PUBLIC |
Content hashes
| Canonical text | 293da157275df2b6f2bbd3d322c712919f4e63386505981b9a9651a3af6c8f46 |
|---|---|
| Markdown | a0519430b793eb32e1a6245c67f67e275f4b2f3e57d31a0ad0cb06e5774376d3 |
| Publication page | b13e0448b7abce82d5e6110d9f2c7587165f0662a6033706922f133cf6096fed |
| Manifest | b023b919607c98ac400259961a27aaff327c0c0ecb2ed6b9b39fe6098cc7df3d |
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 | 2eYNwa8mu7RmkOYFX/C+tUTeB3RPzUYsY8QKdPnOdBK4LgrM8zcg4gz5G+6z9DqFbMkQJUFVIPayyIkXuHPZBQ== |
| 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
| 2026-09-16T07:30:21.468112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004495observed b13e0448b7abce82d5e6110d9f2c7587...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.456522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004495/manifest.jsonobserved b023b919607c98ac400259961a27aaff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.442806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004495/publication.mdobserved a0519430b793eb32e1a6245c67f67e27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.430714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004495/publication.txtobserved 293da157275df2b6f2bbd3d322c71291...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. |
|---|