OT-2026-000028707
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000028707) never changes.
Identity and time
| Publication number | OT-2026-000028707 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7d36-8e37-85e611937347 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028707 |
| Status | PUBLIC |
Content hashes
| Canonical text | a6eb81832479b1d73ef6d8fd7c25e10af0ae7996d97dc5aaf8205557e9e4d70c |
|---|---|
| Markdown | 57b707ff997714b098e0281f9fc296d93c3132d6ae4aa6368452d47f0e064cf4 |
| Publication page | de200b58baa605f255a94564b7c802b21ca29beccc3d9ed611fd12983e936ce6 |
| Manifest | ca8cf0376d19e663c7406481f5cc27650130748f441121b4eda3fbe6a9f4feef |
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 | +D+edOgOlB2tNzC6l3w65CkxA9bhs7o4mMkAl7fGxSx+ixQ+jcIHypaJfkNie62TCmBt2zPbsvdUuTqBcITACg== |
| 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
| 2026-09-17T11:41:42.554457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028707observed de200b58baa605f255a94564b7c802b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:42.535243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028707/manifest.jsonobserved ca8cf0376d19e663c7406481f5cc2765...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:42.515858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028707/publication.mdobserved 57b707ff997714b098e0281f9fc296d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:42.491430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028707/publication.txtobserved a6eb81832479b1d73ef6d8fd7c25e10a...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. |
|---|