OT-2026-000027670
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000027670) never changes.
Identity and time
| Publication number | OT-2026-000027670 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6999-7172-865a-96fa0f9725ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027670 |
| Status | PUBLIC |
Content hashes
| Canonical text | 643a6d512839c5486a636643a93a5b014faf0f5d2484a53d5312d0f90e8565db |
|---|---|
| Markdown | b0b29d4b648ac623328dcbe599a7a98fd84a4f774feba433609d36618626ca91 |
| Publication page | 1f02ed1c89cfc9aa4b7d1f28884cb9107ecf0119268b9382d123a7b0d0688555 |
| Manifest | b29f55e7b0597753e00fed9a639e136a6e2358b5665f6d3d320d96c299860ae3 |
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 | 8I8j+KXSno5TFfOj/QE6XEbdKQ25C9pRNn3I6oUO3NB9frzk54oDFIGps1SK5OfuqOTRrJcDixPzMPMR+TmPCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-09T04:23:41.578403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027670observed 1f02ed1c89cfc9aa4b7d1f28884cb910...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T04:23:41.559295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027670/manifest.jsonobserved b29f55e7b0597753e00fed9a639e136a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:41.535618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027670/publication.mdobserved b0b29d4b648ac623328dcbe599a7a98f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:41.511838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027670/publication.txtobserved 643a6d512839c5486a636643a93a5b01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:42:07.718116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027670observed 1f02ed1c89cfc9aa4b7d1f28884cb910...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:42:07.636679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027670/manifest.jsonobserved b29f55e7b0597753e00fed9a639e136a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:42:07.568321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027670/publication.mdobserved b0b29d4b648ac623328dcbe599a7a98f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:42:07.461406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027670/publication.txtobserved 643a6d512839c5486a636643a93a5b01...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 |
|---|