OT-2026-000031912
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000031912) never changes.
Identity and time
| Publication number | OT-2026-000031912 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7f17-9499-2a8b11e39cb8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031912 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f9b296cce1b83c2d826c6826b6c27c7e228a2dfe9e8dcd96809fb51bcbb0e1f |
|---|---|
| Markdown | a96a6681b272b432efa2f11585fea7262dd72ea228c9ce9946734dcdefeee572 |
| Publication page | 324cbb2cd3d3cb44991d8890c061e90a9e1c2f0833e2d7fe9d40d459bf5d7e03 |
| Manifest | 4f927d10a667a9c907d3268cd01a4d092ba830991029e7159ba3aa8f11aa60f1 |
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 | gNjBwei73jtJukfTs5qkvOQ10GWiXPDV2S+1EWndUxuYkaGcGN3xA9RCGSXrwbIGZj0ox9a0fdZhUyFJCwTUAg== |
| 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... |
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Independent retrieval
| 2026-09-17T11:35:11.123296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031912observed 324cbb2cd3d3cb44991d8890c061e90a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:11.105842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031912/manifest.jsonobserved 4f927d10a667a9c907d3268cd01a4d09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:11.086835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031912/publication.mdobserved a96a6681b272b432efa2f11585fea726...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:11.068895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031912/publication.txtobserved 8f9b296cce1b83c2d826c6826b6c27c7...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 |
|---|