OT-2026-000004499
Publication integrity record
Bellows cup vacuum gripper, three 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-2026-000004499) never changes.
Identity and time
| Publication number | OT-2026-000004499 · never reused |
|---|---|
| Internal UUID | 01a0a91a-0813-768b-a29c-b6bbdd7a8e66 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:10.647153Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004499 |
| Status | PUBLIC |
Content hashes
| Canonical text | 04cce633d32d44ac3f8bb6ea53600e2899604a26a55deb63c3a2551037f10e4f |
|---|---|
| Markdown | f2a3a57ac74e6d6f45e3fc8490fc0ed1e5d238718d25b39e2784b8df7b5433bd |
| Publication page | c5db58a7c7122d2e74b517a92041647146203dddbd282f14418f6b257d6bbc48 |
| Manifest | 7c657b1d7df77635e6e3ae76b22942795d4c87a9040226b9d3d98a451f34b8d9 |
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 | 9ACEuGTb8v9JX+oMDxBNJgSazDzNrycQsLQzDbGy7HIt4u71FDuqsFI8NHBl109hcW6IzjOgQmQMv98TOCFKCA== |
| 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
| 2026-09-16T07:30:21.139848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004499observed c5db58a7c7122d2e74b517a920416471...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.127200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004499/manifest.jsonobserved 7c657b1d7df77635e6e3ae76b2294279...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.988946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004499/publication.mdobserved f2a3a57ac74e6d6f45e3fc8490fc0ed1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.973849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004499/publication.txtobserved 04cce633d32d44ac3f8bb6ea53600e28...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. |
|---|