OT-2026-000007270
Publication integrity record
Porous face vacuum gripper, two zone face, pump fed, contact triggered, open cell
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-2026-000007270) never changes.
Identity and time
| Publication number | OT-2026-000007270 · never reused |
|---|---|
| Internal UUID | 01a0a978-c9f9-76af-8efc-cc6f0bb7f7d3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:07:40.669796Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007270 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ca05eb2ee9ab173032897fe48bc6b54703034aee2be00bd476a6eae1bf5a4d9 |
|---|---|
| Markdown | 680bf96753559d1644861db0dc1b47a5635c9c449607eabbc82c586c0f718d45 |
| Publication page | f6f40fe74b1d6bcc9779309c2859ffa599d4309719aeb73328551b5afae9a89a |
| Manifest | 52135cbd4255355171a7ef79437412b668d320efa960a83586fb4614e23c9fab |
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 | TytcDZJ0gcOsy26WsiNhtZnd5zHKn6bNCeq8/B7qDG8LrLXE8o8/idc3abCy77hDKPy9fCebAbKHy1BrGQFuCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:10:09.435269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007270observed f6f40fe74b1d6bcc9779309c2859ffa5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:09.422906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007270/manifest.jsonobserved 52135cbd4255355171a7ef79437412b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:09.409479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007270/publication.mdobserved 680bf96753559d1644861db0dc1b47a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:09.395950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007270/publication.txtobserved 3ca05eb2ee9ab173032897fe48bc6b54...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. |
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