OT-2026-000053357
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000053357) never changes.
Identity and time
| Publication number | OT-2026-000053357 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a16-7f4d-a7e7-223a47d2cccd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053357 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c3c9debcb2af53730a7fb74796c80257e39abe5ea4c1e93d866522120763cf5 |
|---|---|
| Markdown | 5e05d00ea52054bbc1698a8e9c73895f5d803b1a3f70404cccbe3ada3724ee5c |
| Publication page | 0d9b7d6bfbd0c2d9050bc3ac3bede4bce1c9c0d2ce894c8e4962442dea399e59 |
| Manifest | 80cfd0b8b5e9e28bda25f4e0f3a954e50e5543691152bd97b69039be68310717 |
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 | RoWzzIejGl3/gj6/ueYo/86zloxAOTKcxhg49mtz+e3Zxni5hai9Z6Qsu2m9UnKD9PPOri2zuB6qDpgpQQ5XDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:04.207537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053357observed 0d9b7d6bfbd0c2d9050bc3ac3bede4bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:04.187482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053357/manifest.jsonobserved 80cfd0b8b5e9e28bda25f4e0f3a954e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:04.169041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053357/publication.mdobserved 5e05d00ea52054bbc1698a8e9c73895f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:04.150169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053357/publication.txtobserved 2c3c9debcb2af53730a7fb74796c8025...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. |
|---|