OT-2026-000004177
Publication integrity record
Bellows cup vacuum gripper, two stage ejector, pressure verified, contact triggered, vented 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-2026-000004177) never changes.
Identity and time
| Publication number | OT-2026-000004177 · never reused |
|---|---|
| Internal UUID | 01a0a910-f0b2-71b1-8fc0-2ddab8b6d971 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:14.837981Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004177 |
| Status | PUBLIC |
Content hashes
| Canonical text | de952193fb6eb02f2ae43b8f4553e2aec8a717db6c881ab332feb72f7854306b |
|---|---|
| Markdown | d0f64fd62f2a79edae78efec5a762907a99d8e8f7318c65011663056c36ac2dd |
| Publication page | 7bb9d4a3b979e73a89b1c484a32f69cca127da4fe906923b3b9b22e675fe33a0 |
| Manifest | 28c6a5dc0c31ae8be16c4b45ff67eae95aa72004e25e48758cab497232956f58 |
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 | 9bhozRFLx3ryGzSSZ4FzJhqgJCptg0CmQa3RFLyITrnjuc6nBRbIpx3WSKTTVf90ClbEonsy7wRvNRUFV4TZBQ== |
| 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
| 2026-10-11T04:41:02.531510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004177observed 7bb9d4a3b979e73a89b1c484a32f69cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T04:41:02.463145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004177/manifest.jsonobserved 28c6a5dc0c31ae8be16c4b45ff67eae9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:02.364588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004177/publication.mdobserved d0f64fd62f2a79edae78efec5a762907...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:02.115244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004177/publication.txtobserved de952193fb6eb02f2ae43b8f4553e2ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:24.733169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004177observed 7bb9d4a3b979e73a89b1c484a32f69cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:24.563921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004177/manifest.jsonobserved 28c6a5dc0c31ae8be16c4b45ff67eae9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:24.338109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004177/publication.mdobserved d0f64fd62f2a79edae78efec5a762907...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:24.164643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004177/publication.txtobserved de952193fb6eb02f2ae43b8f4553e2ae...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 |
|---|