OT-2026-000003889
Publication integrity record
Porous face vacuum gripper, three zone face, plant vacuum fed, pressure verified, contact triggered
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-2026-000003889) never changes.
Identity and time
| Publication number | OT-2026-000003889 · never reused |
|---|---|
| Internal UUID | 01a0a90b-5e7a-7b85-80ea-0292d1c0f805 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:09.725322Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ddddb0f82ef75223eee95f8f4ca056bc99b01ec98ecbd7a65d90561afb80159 |
|---|---|
| Markdown | 9e899ef462bb70309f57fe5cbaec8c0a3714bdc48eda185323a8e61a20091e04 |
| Publication page | 49ed9837818f102efcdb93af62cea8af48a186ee2c7c981dac817cb37984c6d3 |
| Manifest | 338493a0e031bdf5d1550bb93b1d7d0a3403bab083a5051f13b68b71a9b18493 |
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 | RZEpcnasQOTiNAc/D2QfsLcUv/tP0/VCE1A6LkCV/mVjoNELiQynIuRHMUmwLUW9zE2VnxMsstOPMAv3An4QCQ== |
| 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
| 2026-09-16T07:10:14.143654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003889observed 49ed9837818f102efcdb93af62cea8af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:14.122005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003889/manifest.jsonobserved 338493a0e031bdf5d1550bb93b1d7d0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:14.105499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003889/publication.mdobserved 9e899ef462bb70309f57fe5cbaec8c0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:14.089513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003889/publication.txtobserved 3ddddb0f82ef75223eee95f8f4ca056b...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. |
|---|