OT-2026-000076411
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000076411) never changes.
Identity and time
| Publication number | OT-2026-000076411 · never reused |
|---|---|
| Internal UUID | 01a0ae94-6a70-775c-9592-64171317c754 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:57.307071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076411 |
| Status | PUBLIC |
Content hashes
| Canonical text | c09f82112c1ce467918c43696b542deb2d50c3a1a976414b4fe5e2719f9d547d |
|---|---|
| Markdown | bed94d2b88a24e594bcfbc001bd8488cc597379648e988a9dc67e9016a3e4173 |
| Publication page | e7b5fdfff43b662955810e0fbc895baf39098c89054ec78235423afe4821de95 |
| Manifest | c4fe1232f42b10457b889649ed3fe5f67c6ec0fa8bf9f5df41f33949c33b6a5e |
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 | wmdzDaWwhJ3iJ9rNiIGkqs/JNmkYyRorP1bZKkUNFQa1IzvDeK/bt41YzSqt9lHZBsdgFXQnYhsXwpWlvI0iAQ== |
| 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
| 2026-10-21T08:42:12.711540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076411observed e7b5fdfff43b662955810e0fbc895baf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T08:42:12.650183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076411/manifest.jsonobserved c4fe1232f42b10457b889649ed3fe5f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:42:12.578790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076411/publication.mdobserved bed94d2b88a24e594bcfbc001bd8488c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:42:12.426000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076411/publication.txtobserved c09f82112c1ce467918c43696b542deb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:42:14.073350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076411observed e7b5fdfff43b662955810e0fbc895baf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:42:13.985240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076411/manifest.jsonobserved c4fe1232f42b10457b889649ed3fe5f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:42:13.877032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076411/publication.mdobserved bed94d2b88a24e594bcfbc001bd8488c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:42:13.769904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076411/publication.txtobserved c09f82112c1ce467918c43696b542deb...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 |
|---|