OT-2026-000081178
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented after set-down, on a tool changer
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-2026-000081178) never changes.
Identity and time
| Publication number | OT-2026-000081178 · never reused |
|---|---|
| Internal UUID | 01a0ae96-f373-74f8-84db-729d9c5a54fd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:43.461344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081178 |
| Status | PUBLIC |
Content hashes
| Canonical text | 459e3e33e9601f127080b546de2e17207b0c1d4cd265d47f382b5871fd263396 |
|---|---|
| Markdown | f99824bcd95ef082a7b16ca54622204da602d848f22dad7e7559f57d28982f57 |
| Publication page | b47af1404a0e4bc71ca4b9c847d7672f5079b9298c910655614c5ed4a5ff9d66 |
| Manifest | eeebf2374af05227e256282e597b5dd33d6931f91a9cfb2def048870269b9f5e |
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 | NjrHPWYhqUtyLXfgBKgVV7n77JUGIHnZSg4SNifEcd+W9QUvUdsU9oTf36JopbbYkKU4+x8GbIkOhTJP3AXfAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:01:14.679124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081178observed b47af1404a0e4bc71ca4b9c847d7672f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:01:14.659155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081178/manifest.jsonobserved eeebf2374af05227e256282e597b5dd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:14.640130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081178/publication.mdobserved f99824bcd95ef082a7b16ca54622204d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:14.619791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081178/publication.txtobserved 459e3e33e9601f127080b546de2e1720...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|