OT-2026-000031989
Publication integrity record
Single cup vacuum gripper, 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-2026-000031989) never changes.
Identity and time
| Publication number | OT-2026-000031989 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-744e-8365-7e6eb7c564d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031989 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9b2cca54fd5ea7f814384bfe66288a649e9a0384c2f322cfb43dccf06b655a0 |
|---|---|
| Markdown | e1b0db67dfbd1983f6bde5d0e289f01fcce7d3d53440c6b231047e04d4636cf2 |
| Publication page | 1a7ef7c03eb19b48af15a8557945c0ae9705a5db4ac5ccec2a02a9bcb25397b2 |
| Manifest | 3b693ee4b43bcd3c6748975400cc2c2d0ddc40c9b6b56e3013c8c0787d9723aa |
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 | w3hDPLNPtWM6GxWtll6SeWg+650xarJpX3HU/4fYEiGIFtySVRb0tftBqQQRKBwHW7e0/PBYd2/yzWcwNuWDBA== |
| 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
| 2026-09-17T11:35:23.134908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031989observed 1a7ef7c03eb19b48af15a8557945c0ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:23.114641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031989/manifest.jsonobserved 3b693ee4b43bcd3c6748975400cc2c2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:23.094919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031989/publication.mdobserved e1b0db67dfbd1983f6bde5d0e289f01f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:23.076735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031989/publication.txtobserved c9b2cca54fd5ea7f814384bfe66288a6...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. |
|---|