OT-2026-000003988
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, ejector fed, pressure verified
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-2026-000003988) never changes.
Identity and time
| Publication number | OT-2026-000003988 · never reused |
|---|---|
| Internal UUID | 01a0a90c-74a1-7bf8-978f-7e46826f64c6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:20.932025Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003988 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a0f2a86a338cce9755fc4cdeb720f9ce57a75363d858225146ff214d88315e7 |
|---|---|
| Markdown | f81b04304cd697cc87a465111789c9d62078ee61d09edeb85b368bf252646e16 |
| Publication page | bb19e532bc9894e6cbec4b6ed6864636e17eedaa60eb19b9dd17bb9372f58c5d |
| Manifest | 0808bbcdad5ddb1d1c67ac9f0ffd3ae78194335f2b9a046ae6edf7d50f638259 |
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 | VpXLdx+Wxl+EDWKT8SiMcULvyPVS/IvGRjv3Lj6m9EaiKo0zhYtRalmc3wFWRXg8bT4S7Pbqg7WEDsEuJHzFBA== |
| 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
| 2026-09-16T07:10:07.928770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003988observed bb19e532bc9894e6cbec4b6ed6864636...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.913966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003988/manifest.jsonobserved 0808bbcdad5ddb1d1c67ac9f0ffd3ae7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.893236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003988/publication.mdobserved f81b04304cd697cc87a465111789c9d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.875503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003988/publication.txtobserved 2a0f2a86a338cce9755fc4cdeb720f9c...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. |
|---|