OT-2026-000003854
Publication integrity record
Porous face vacuum gripper, three zone face, common isolation valve, two stage ejector
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-2026-000003854) never changes.
Identity and time
| Publication number | OT-2026-000003854 · never reused |
|---|---|
| Internal UUID | 01a0a90b-4262-714f-82df-9bf84b60ec62 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:02.532956Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003854 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8bb26ed2c7932b04107220fe10482906aada5bc82ac492180448d15fcd25720b |
|---|---|
| Markdown | 370b31abc9f21848f4470e1d584919b9ae7fe0ddc682a382d9dd63598c072571 |
| Publication page | 452006681340273f087af9b3393c8d0500678e9f8ee245f4340fd485a3b2ceb5 |
| Manifest | 430c073f8227b06b90e17fd518bef3c546a9b07689069bb33943b31950a8c249 |
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 | d3uf5UER/cxWUlPreqGd2u7SZGlOwnZYM/bXxGu0JMjvuyadq4+1WiI8s52gDpJhYZvPCCM4aynkcP40jSwFCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:16.372689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003854observed 452006681340273f087af9b3393c8d05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:16.359092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003854/manifest.jsonobserved 430c073f8227b06b90e17fd518bef3c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:16.344709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003854/publication.mdobserved 370b31abc9f21848f4470e1d584919b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:16.327559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003854/publication.txtobserved 8bb26ed2c7932b04107220fe10482906...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. |
|---|