OT-2026-000028616
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000028616) never changes.
Identity and time
| Publication number | OT-2026-000028616 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7442-bd86-ef76228ffbb5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028616 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38107719c79de96260c6ab3de902b73ed5c3e81ab696e5e6937b63aa58ef162b |
|---|---|
| Markdown | 72ad8b1343130363d6aea5390e5624a107c92a91d992c422c12a4f6e1583b3b0 |
| Publication page | 7909feeea467c547b2c0828d739b9ecf108ff2d3550d8830c5b53b011c5d3279 |
| Manifest | eb51388d31405c87d7f7989e7720edfdf4b94e1e7f6199c23d7884632909539e |
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 | AdVATBiJUwB0FEizQpPlCeaINr2oXrJHC5qo+6lyCG//2z28C5KBuVuvFvNtt2Mu11TDKaOk9OzdaXdbXhcFBA== |
| 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
| 2026-09-17T11:41:28.780389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028616observed 7909feeea467c547b2c0828d739b9ecf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:28.761217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028616/manifest.jsonobserved eb51388d31405c87d7f7989e7720edfd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.741084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028616/publication.mdobserved 72ad8b1343130363d6aea5390e5624a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.721894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028616/publication.txtobserved 38107719c79de96260c6ab3de902b73e...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. |
|---|