OT-2026-000031289
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after set-down
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-2026-000031289) never changes.
Identity and time
| Publication number | OT-2026-000031289 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ac-7035-b62a-7df3210f270e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031289 |
| Status | PUBLIC |
Content hashes
| Canonical text | a6871f9196e9d932e87fe208fb0fe1ea1dd7472d33b98cf37957150e5af98cb9 |
|---|---|
| Markdown | 57cef7dbbcea44507efb886ef0310177f100e877c390daa6521bd8f0b1958150 |
| Publication page | 7063682ad5874f3f2c060412bd117d1ee10a77703c6cea2e99d2ab3a079df6a1 |
| Manifest | d9c00b2796c949ae83b7f9b01501945917f461ef7c86756f686c60d8c5f5df8d |
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 | eJvmc8lHCwCrnG4x+DQ3q1dPFRNO95Blg90MIFQ69eunPIkhTyJOnVHOBfkwQOZpsecBftLHzS6QtERVKeqqCw== |
| 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
| 2026-09-17T11:35:52.407031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031289observed 7063682ad5874f3f2c060412bd117d1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:52.388602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031289/manifest.jsonobserved d9c00b2796c949ae83b7f9b015019459...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:52.371227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031289/publication.mdobserved 57cef7dbbcea44507efb886ef0310177...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:52.355238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031289/publication.txtobserved a6871f9196e9d932e87fe208fb0fe1ea...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. |
|---|