OT-2026-000004774
Publication integrity record
Porous face vacuum gripper, three stage ejector, contact triggered, pulsed blow off after set down
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-2026-000004774) never changes.
Identity and time
| Publication number | OT-2026-000004774 · never reused |
|---|---|
| Internal UUID | 01a0a922-efb5-73b6-8e1c-4f13fe7c41e6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:54.232614Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004774 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f02b4550833ec63cb52027cdaf6f1aac2b0c9f6f5d72a3c13f3eaaa9473f136 |
|---|---|
| Markdown | 770b8ab51d07f7fb0c72639b134bb611f2143187878a4f64b319b09e18fbe980 |
| Publication page | 2821cd20265448ad42b0a90aa7166a5d96c44d4ea1c2a135cffcb46f7645d8cd |
| Manifest | 0ea450ab720f13ecd092f12912c819e2b47d169df2c7e3008745e7ccaf7f3703 |
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 | 2uo1DvQNiT9V+z45v3bz9EySTX6lifIkHWyFer2bWC/Bqq7nT1OxyQxzsFpXr3iwDcisDI9Y372E/uxhN3VpBA== |
| 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
| 2026-09-16T07:40:20.424719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004774observed 2821cd20265448ad42b0a90aa7166a5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:20.409636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004774/manifest.jsonobserved 0ea450ab720f13ecd092f12912c819e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:20.394800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004774/publication.mdobserved 770b8ab51d07f7fb0c72639b134bb611...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:20.380962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004774/publication.txtobserved 1f02b4550833ec63cb52027cdaf6f1aa...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. |
|---|