OT-2026-000028490
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000028490) never changes.
Identity and time
| Publication number | OT-2026-000028490 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-70ef-8a6c-500a2aec9555 · 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-2026-000028490 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30abd231391f4f7a262d451b4cfddd254a2cab21bd394cf2f28a25899158287c |
|---|---|
| Markdown | 8d5ce52bccd2590ccdc8e0d00c8366207b9eb3db2a64c9df5b4a004d7b376825 |
| Publication page | 0314a59da9af2d21edb663f82cdda9d68c31bfb43b63a7ff72643ea168b23df0 |
| Manifest | cd3457284a5fee77487eec9581885d79ca23d0687541fe1b7594720827c92498 |
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 | X2AskGZ5A3Jsv95fsgKmnyghMeTTg3nzDFSRmiLKyKM3yQfbQn6GWsZczzSHXc494G2gPKoSoiODr+vNPoaMCg== |
| 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
| 2026-09-17T11:40:44.909766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028490observed 0314a59da9af2d21edb663f82cdda9d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:44.891129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028490/manifest.jsonobserved cd3457284a5fee77487eec9581885d79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:44.872360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028490/publication.mdobserved 8d5ce52bccd2590ccdc8e0d00c836620...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:44.854360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028490/publication.txtobserved 30abd231391f4f7a262d451b4cfddd25...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. |
|---|