OT-2026-000075016
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000075016) never changes.
Identity and time
| Publication number | OT-2026-000075016 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2d-7460-92fa-d69512c5def9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075016 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3cbc9ef55e4fcab7eee7ba22dcf19039d65f7590c7ae42aec0a46e436cfaf99a |
|---|---|
| Markdown | 4b0662c70e82552c57f678c65eda1af9e27b3470f832174ba08c37aa2c08ec8d |
| Publication page | 32544d2c4ee9b5c4e5ac425752cd2e454ece63fd6da685880fdacd4ccf60a9d9 |
| Manifest | 1e189037ad782daa9680b40be518a271a97d080bd51ebaa0183ffbbe638b00bd |
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 | 32ElFPjltNDABqOwOeG2Y3OO1QE0XP69UokJtMX+LWpsWgznTkufjvOAgH8z9ISO9h6GBrwIP+kCe3zElR8WAA== |
| 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
| 2026-10-18T04:41:40.639968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075016observed 32544d2c4ee9b5c4e5ac425752cd2e45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T04:41:40.529479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075016/manifest.jsonobserved 1e189037ad782daa9680b40be518a271...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:40.479956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075016/publication.mdobserved 4b0662c70e82552c57f678c65eda1af9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:40.374461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075016/publication.txtobserved 3cbc9ef55e4fcab7eee7ba22dcf19039...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:16.394569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075016observed 32544d2c4ee9b5c4e5ac425752cd2e45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:16.288716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075016/manifest.jsonobserved 1e189037ad782daa9680b40be518a271...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:16.189118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075016/publication.mdobserved 4b0662c70e82552c57f678c65eda1af9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:16.079133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075016/publication.txtobserved 3cbc9ef55e4fcab7eee7ba22dcf19039...fetched by grabo-systems from 34.44.131.203, 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 |
|---|