OT-2026-000077079
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000077079) never changes.
Identity and time
| Publication number | OT-2026-000077079 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-767e-9df7-faf67fa28440 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077079 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7727da5f02ab5ebaa80289a2c4bfdbe5deab752eb8750a9315f0ccc7ca98bae9 |
|---|---|
| Markdown | a51fd7baf62e98ec5976a01504bc5ee4ca82e0c4a964b465c2e2d5fc954d6eff |
| Publication page | fa519e67a5db4f1e997f58fa482e2e1d3a58ab4cf4db3db67c395de4b37c89ce |
| Manifest | d227f5ac75bf49a4d40b92eda01dd6554d0b277505e0d9f2841c0a47c2b07ae7 |
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 | e3eeqAzx4OV6vGrgyA5dUPTQp8m+um812rrdrBi5twsXEBpzKpDc248DOv5x6JQmL0/bhdtWHsfDS1LCC0mWDA== |
| 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
| 2026-09-17T10:11:28.479881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077079observed fa519e67a5db4f1e997f58fa482e2e1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:28.460112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077079/manifest.jsonobserved d227f5ac75bf49a4d40b92eda01dd655...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:28.441175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077079/publication.mdobserved a51fd7baf62e98ec5976a01504bc5ee4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:28.047676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077079/publication.txtobserved 7727da5f02ab5ebaa80289a2c4bfdbe5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:32.116627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077079observed fa519e67a5db4f1e997f58fa482e2e1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:32.098431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077079/manifest.jsonobserved d227f5ac75bf49a4d40b92eda01dd655...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:32.078966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077079/publication.mdobserved a51fd7baf62e98ec5976a01504bc5ee4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:32.060550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077079/publication.txtobserved 7727da5f02ab5ebaa80289a2c4bfdbe5...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. |
|---|