OT-2026-000020683
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000020683) never changes.
Identity and time
| Publication number | OT-2026-000020683 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-70bc-a49f-0dd68512ca02 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020683 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e374369a423990c4fd534955b406400ed42cf0f74c478deca56e7a51af7ccf2 |
|---|---|
| Markdown | 1c34e5aa00b4dfd0418a00911cbe5b5e61cd93cfa6c52c072b74707df122be5e |
| Publication page | 789cf01b0218beb455e74ab384b223f92a132a288cdf83baeb91590ff9399cf1 |
| Manifest | ac5446ca5b7400ddcb37401527497e7d8caa7566d3c6345964d681be1b752038 |
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 | VpY+FJxN5fI9BEoLmAnZx+pygm/WF2W4jaOLUiu8QTpAGb3Dc5bA7wjsNWp8d9KIN61PnLZuwxEotlPruwkpCw== |
| 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
| 2026-09-17T11:55:43.465562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020683observed 789cf01b0218beb455e74ab384b223f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:43.439792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020683/manifest.jsonobserved ac5446ca5b7400ddcb37401527497e7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:43.421402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020683/publication.mdobserved 1c34e5aa00b4dfd0418a00911cbe5b5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:43.298027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020683/publication.txtobserved 5e374369a423990c4fd534955b406400...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. |
|---|