OT-2026-000021820
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021820) never changes.
Identity and time
| Publication number | OT-2026-000021820 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-74f3-bbcf-07433967137e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021820 |
| Status | PUBLIC |
Content hashes
| Canonical text | e920fb3019505f27696876d8235e51cb7c1585bf594f8d1828eac2dc9b36b31e |
|---|---|
| Markdown | f4ee53792a79d09d6b2c5a9b325f7b37ee66c2b462eae0b827311c1cc710023e |
| Publication page | 23a594f016aff284faf39b9eb6e68b839125f4b42c4906f608fb00ced4eeec63 |
| Manifest | eb776e03868b733fe7feb56a3c3f620896c00fdcfa9b393a2493edef1bcd9fd3 |
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 | nynDxqmi4J3ZnGp/xgA/5hrKCAlS1TK/QI1+cUYderbm6NSlzOGr244+RWhGB+aWkjB3Sm7xeaGRbz0qx1t1BQ== |
| 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
| 2026-09-17T11:54:22.507114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021820observed 23a594f016aff284faf39b9eb6e68b83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:22.490410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021820/manifest.jsonobserved eb776e03868b733fe7feb56a3c3f6208...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.473013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021820/publication.mdobserved f4ee53792a79d09d6b2c5a9b325f7b37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.455065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021820/publication.txtobserved e920fb3019505f27696876d8235e51cb...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. |
|---|