OT-2026-000003913
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, pump fed
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-2026-000003913) never changes.
Identity and time
| Publication number | OT-2026-000003913 · never reused |
|---|---|
| Internal UUID | 01a0a90b-7101-71ad-8c3b-0784779acbca · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:14.467653Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003913 |
| Status | PUBLIC |
Content hashes
| Canonical text | a478c549409549e1f34f715e5e0486024cf4c30399b41e7923cf143fb1802765 |
|---|---|
| Markdown | 292cf955cb3950700670fd70dc3c5a8af3375983420295fdd95e12ff3a6a9ffc |
| Publication page | 9922128432cd95fc40acada30286cef4ba66870e81af3344a168455fe1312373 |
| Manifest | b12c963d32d895b62eb89e65f256418419c2712593999b5f372b20673ccea90f |
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 | j8a4WWqtR4RPAhGZDSph1ue6oqmr94ubvm35EKowpmXO1a3zm8j0xt96/MxOGuJoEAb/Y2Ax8HzX6Werew3cAA== |
| 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
| 2026-09-16T07:10:12.680026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003913observed 9922128432cd95fc40acada30286cef4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:12.665788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003913/manifest.jsonobserved b12c963d32d895b62eb89e65f2564184...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:12.650559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003913/publication.mdobserved 292cf955cb3950700670fd70dc3c5a8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:12.633143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003913/publication.txtobserved a478c549409549e1f34f715e5e048602...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. |
|---|