OT-2026-000012981
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off before 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-2026-000012981) never changes.
Identity and time
| Publication number | OT-2026-000012981 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5564-772a-9329-790ace675d5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012981 |
| Status | PUBLIC |
Content hashes
| Canonical text | d003b8235ea1e104ff60390a9746cb90476accd43ccbc6eb557dc5b056a714ca |
|---|---|
| Markdown | 29bac2878f72d38637d41bf85fde5d85dcc488ddbe6594e6a1d855c366bf9fed |
| Publication page | 31e3267f7e382ec04cfaa9c1a48ef0daf320c132cea025dc99f924342be25893 |
| Manifest | c3f1ba1dc78592ae4eeeae21310ad641f03dff36709c501de693228ecb09cc9d |
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 | MFrTDSVZD0fas7CbENJKUY1uIlc/OlBEqReLv7E6enbe7tegc/6u8UVf4dg0kKu2RWc9deUd8jMrYJXvJaWQDA== |
| 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
| 2026-09-17T12:10:47.721978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012981observed 31e3267f7e382ec04cfaa9c1a48ef0da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:47.701540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012981/manifest.jsonobserved c3f1ba1dc78592ae4eeeae21310ad641...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:47.669929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012981/publication.mdobserved 29bac2878f72d38637d41bf85fde5d85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:47.648518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012981/publication.txtobserved d003b8235ea1e104ff60390a9746cb90...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. |
|---|