OT-2026-000090515
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090515) never changes.
Identity and time
| Publication number | OT-2026-000090515 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7d82-92b4-44627a73ce13 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56745f554f5050afa91d073df7e8c79ca671d9be712ca400e2fef1a1abb2b04b |
|---|---|
| Markdown | 2e2911df64b756de0808fd0ae9d99ca8720a6835b904518d865263c3e3db93dc |
| Publication page | 897f96e84607c39909c5118fd0c641245d94299a3c0b3532306b2199f43e25ca |
| Manifest | 17f625c6a0ee3092a97ab517148f62f90d27daee912b08d270ae3adcb8b6ff89 |
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 | td6SWmjHPK4w/ZfnCc+bncpAkJKCJ1w3xO7VgdG0bCFJLqsCIT+MSo5GNHB//Ea0fiZfgwKep6dmYJTMKISnBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:41.020159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090515observed 897f96e84607c39909c5118fd0c64124...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:40.994585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090515/manifest.jsonobserved 17f625c6a0ee3092a97ab517148f62f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:40.972683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090515/publication.mdobserved 2e2911df64b756de0808fd0ae9d99ca8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:39.846703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090515/publication.txtobserved 56745f554f5050afa91d073df7e8c79c...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. |
|---|