OT-2026-000028841
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028841) never changes.
Identity and time
| Publication number | OT-2026-000028841 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7531-8967-87cc82424de8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028841 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2fc442c997cdfdd4f6b91409a27fe20d0ade7f9b8cc8ff5a7827f6e2e92c12b8 |
|---|---|
| Markdown | 1a1f95fa229ba4c63e5d351f7d7496e16a32f8d3712a0b73295387f279cc4dd7 |
| Publication page | 7d03471ca01666921db31a7b9370fdd8bceb10af7614e7c2cafd525c403a0713 |
| Manifest | 608ec367f705fd1ac3e02d170dd2e50efe401dc532ae697d28f7f551ec0ab559 |
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 | DGiIvT0AsUWELhakCS87xtTxuoMv2+LRRhQksTuNxqAXFk3uyT6omUXO7IPX/7LWttLyxMptsFeLICU7Xp3XDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:07.703988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028841observed 7d03471ca01666921db31a7b9370fdd8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:07.682181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028841/manifest.jsonobserved 608ec367f705fd1ac3e02d170dd2e50e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:07.537626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028841/publication.mdobserved 1a1f95fa229ba4c63e5d351f7d7496e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:07.518634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028841/publication.txtobserved 2fc442c997cdfdd4f6b91409a27fe20d...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. |
|---|