OT-2026-000020328
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000020328) never changes.
Identity and time
| Publication number | OT-2026-000020328 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-706b-bf43-e73fb086e5db · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020328 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2872741bf63430dfe36f21f9e31d8dbfebd99b8975532d5c47a2330863c9f6ff |
|---|---|
| Markdown | 4425833b95cbc2b92fe4e68732862165a3a8939981f55f40b4145f4ec836a0b0 |
| Publication page | ef17e43d538ef4db3ca107e2510efabb097ad256a3ed992e9873d1de9f7f44f3 |
| Manifest | 1c0a334d0feb8d03cadcb36edd343490f86a50a93ec3811d297a7bc5cb3edde5 |
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 | xvjaG2hMoDaZgn+5ttflK9Z+j+7MQIwvJcmPeFg0Xg4YvQk7cx9JDFjdys2wLBBUwB2E/lNyY5uk/ZGlK7NaCg== |
| 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
| 2026-09-17T11:56:40.581594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020328observed ef17e43d538ef4db3ca107e2510efabb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:40.562022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020328/manifest.jsonobserved 1c0a334d0feb8d03cadcb36edd343490...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.542459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020328/publication.mdobserved 4425833b95cbc2b92fe4e68732862165...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.499337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020328/publication.txtobserved 2872741bf63430dfe36f21f9e31d8dbf...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. |
|---|