OT-2026-000031888
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, 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-2026-000031888) never changes.
Identity and time
| Publication number | OT-2026-000031888 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-75b3-8f9f-ced7c23d2cd1 · 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-2026-000031888 |
| Status | PUBLIC |
Content hashes
| Canonical text | 13f61885be35e39b2edc827d9be347284cf12198d45136d45b143e5112eeb624 |
|---|---|
| Markdown | 3216679a55a9e2dc55dd6d6492339dd31689530cb5530024d8ebb89386646b6c |
| Publication page | 09c1ecf191b940cc5b76efe8aeab7f2336578c1e30392a66473f2229ff3b7d9e |
| Manifest | 275ae1dd5f2199982e9fdcff5a2c31f5277d661a0cd0e5af5b4e1b08e3bbec68 |
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 | st7+wZ3BaFg+bVp+Mh7niLFefZgliZ/n1f57fji65SklXVZa1ZxUkIzhQvJXHg7olZITCP4Kn8rfQ04fC8B3CQ== |
| 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
| 2026-09-17T11:35:09.239312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031888observed 09c1ecf191b940cc5b76efe8aeab7f23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:09.220863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031888/manifest.jsonobserved 275ae1dd5f2199982e9fdcff5a2c31f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.204716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031888/publication.mdobserved 3216679a55a9e2dc55dd6d6492339dd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.187246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031888/publication.txtobserved 13f61885be35e39b2edc827d9be34728...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
| Custody package | Pending Custody packages are produced weekly. |
|---|