OT-2026-000022744
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000022744) never changes.
Identity and time
| Publication number | OT-2026-000022744 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ea-7134-92cc-a9db1a5bfdd6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022744 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55830ec5a2c3caf1168e614bf2b0bc5e438b2555406efeddaae4ea7c478a6e0d |
|---|---|
| Markdown | 7fbdbfc444dc1571b1c4156820851ca644f378950d8261a0b1633e9ccce6b4fe |
| Publication page | 7c7d8cac83d954874eecfcbd7516646ba831ac0c6c58c339e1b484a503e7359c |
| Manifest | 64bd73399a55d246a8f070cb320bc17a5675c89b8be832b96520b6e4a7aa5c0f |
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 | ALyKoxGxRw2HyQ9xZf1HWtPMOM146ReSPEiqKZPeMs6rSUNLg4Si3HrtTU8MC2hld+699mhO1StVnT1hAj1BBQ== |
| 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
| 2026-09-26T12:41:33.175425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022744observed 7c7d8cac83d954874eecfcbd7516646b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T12:41:33.124250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022744/manifest.jsonobserved 64bd73399a55d246a8f070cb320bc17a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:33.067487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022744/publication.mdobserved 7fbdbfc444dc1571b1c4156820851ca6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:32.942567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022744/publication.txtobserved 55830ec5a2c3caf1168e614bf2b0bc5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:23.946393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022744observed 7c7d8cac83d954874eecfcbd7516646b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:23.929468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022744/manifest.jsonobserved 64bd73399a55d246a8f070cb320bc17a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:23.889624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022744/publication.mdobserved 7fbdbfc444dc1571b1c4156820851ca6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:23.857312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022744/publication.txtobserved 55830ec5a2c3caf1168e614bf2b0bc5e...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 |
|---|