OT-2026-000026190
Publication integrity record
Two pad foam vacuum gripper, two 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-2026-000026190) never changes.
Identity and time
| Publication number | OT-2026-000026190 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a841-72c0-beb5-2b3b98d129df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026190 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4eaff6a79132992c9dd03324f4b57f4aa1f47153e028aac754804b23bf752cb |
|---|---|
| Markdown | ec4902b12aa982ca04d5f25e0f9d0fbef55f34010c766f4f90c66f6a9d4f0bf3 |
| Publication page | 03f7cfdff8951d43ccbe78ea31704ff7fb1f17ca71f6e178ee1310772f28d8da |
| Manifest | dcf01b66c9384ea3f944c881bd76d88038dcbb06eacf67412c5055aa7e4eae01 |
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 | 4h4crVbfPCF7u1VtbxG/jHs2LKnWgKGkxNANAzzFrYiszseO2X5Y8d1/WwJaszVMWpBRUC4xpzPUe1e8GMVxBA== |
| 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
| 2026-10-17T04:23:15.459048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026190observed 03f7cfdff8951d43ccbe78ea31704ff7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T04:23:15.444265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026190/manifest.jsonobserved dcf01b66c9384ea3f944c881bd76d880...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:15.426781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026190/publication.mdobserved ec4902b12aa982ca04d5f25e0f9d0fbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:15.408930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026190/publication.txtobserved b4eaff6a79132992c9dd03324f4b57f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:33.031262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026190observed 03f7cfdff8951d43ccbe78ea31704ff7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:32.977830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026190/manifest.jsonobserved dcf01b66c9384ea3f944c881bd76d880...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:32.912772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026190/publication.mdobserved ec4902b12aa982ca04d5f25e0f9d0fbe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:32.851852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026190/publication.txtobserved b4eaff6a79132992c9dd03324f4b57f4...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|