OT-2026-000076889
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076889) never changes.
Identity and time
| Publication number | OT-2026-000076889 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b070-7c90-bfd5-64ed964283b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4668386e551c9e7760f4e07af96a1bc3e2a27c90fa0ad5cda74335b2dac20e70 |
|---|---|
| Markdown | bc3f9b802c90fc4fedef1a6d7cbf58564e3568f7de20798deca6b50f7d9033d7 |
| Publication page | 0ca889d34fc33eec4ded59f0ca2dcb67e851961b00942eecbb89d819c01715f0 |
| Manifest | ec75407407b9b7b751c3ca9519b41e34f0b4ec3bb5acde4494e949299ce0e02d |
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 | 6Psfczdx7dRhFWUStxnHPbPOk9SpecZedqQxiseyJ/+YPwEq3O+GNi1pFLSc9XMJcujHdrdbxSIBc8RoK0qOAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:09:47.655023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076889observed 0ca889d34fc33eec4ded59f0ca2dcb67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:47.636494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076889/manifest.jsonobserved ec75407407b9b7b751c3ca9519b41e34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:47.617683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076889/publication.mdobserved bc3f9b802c90fc4fedef1a6d7cbf5856...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:47.597883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076889/publication.txtobserved 4668386e551c9e7760f4e07af96a1bc3...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. |
|---|