OT-2026-000028617
Publication integrity record
Two cup vacuum gripper, two 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-2026-000028617) never changes.
Identity and time
| Publication number | OT-2026-000028617 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-75a7-b8bc-7051a6e44ca4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028617 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38db80e703ce37d41e0217bf4b08adf17e226779953d866140dd0e863025330a |
|---|---|
| Markdown | 01643a6ff35c0accb512862caf15252dc43cf621bbbd560fc975647bc3fe3802 |
| Publication page | 66854c3602cde49e16d14a456c4bdcd0b132a338916fadc5930fed980a779b9f |
| Manifest | 180a1017160a21829315ef2eb6f3e1a0cb36f0e8aacc4150b264d5f82814aff2 |
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 | y3PQ0uSFMC2W7v1VAlkpVe+Ai4tnStX1y3JzOLyjqO7wwW3MoJOgtULHAqgJeCnas2GpqyohRH8MhtCXai13DQ== |
| 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
| 2026-09-17T11:41:28.857788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028617observed 66854c3602cde49e16d14a456c4bdcd0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:28.838120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028617/manifest.jsonobserved 180a1017160a21829315ef2eb6f3e1a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.820077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028617/publication.mdobserved 01643a6ff35c0accb512862caf15252d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.800486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028617/publication.txtobserved 38db80e703ce37d41e0217bf4b08adf1...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. |
|---|