OT-2026-000042553
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000042553) never changes.
Identity and time
| Publication number | OT-2026-000042553 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-76c5-81cb-f16b2918eb1e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11ff0631135d68e9bcd01c8171bb2c40f635061e699cbdf60be6c9291030d47d |
|---|---|
| Markdown | 1d6b8891da1855ccf04ebc0a743ff02696903c58495d2d680a0ddb9800fa2b42 |
| Publication page | 54e8e1adb74a9698765ecf5144e4fd38432bed3911aec64d584c099bdd486fa4 |
| Manifest | 270ae8f41b00f1d98fdf76393e73b7ec826af05fac2adaa6c227bee53eb3dbed |
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 | jZJPRWK3ytAvFdJCnhW2u4VqtYjg6cjVnEz79rDtkE5wUhVTNUO2TPlTAYXXWeidzQezZb0fjYNSJGaOaqbEBw== |
| 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
| 2026-09-17T11:14:15.655418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042553observed 54e8e1adb74a9698765ecf5144e4fd38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:15.636091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042553/manifest.jsonobserved 270ae8f41b00f1d98fdf76393e73b7ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:15.616378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042553/publication.mdobserved 1d6b8891da1855ccf04ebc0a743ff026...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:15.595348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042553/publication.txtobserved 11ff0631135d68e9bcd01c8171bb2c40...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. |
|---|