OT-2026-000014991
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000014991) never changes.
Identity and time
| Publication number | OT-2026-000014991 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-d096-78ae-b670-89510271c862 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:47.560717Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c749cfa91379c720fe98357f1178dae341b7b6123f8d2600638ab81ecb0db25 |
|---|---|
| Markdown | 5cb30a66b076540bcee63132f216defbf16cfa6426c6fe08e0e3c106caf19204 |
| Publication page | 81cb6feba7716bb8ba82f2937ed89bbc4e42c2b94962f6882e3e93a504f29553 |
| Manifest | d670cfbb4acc6606fc55be32372a8a0f786e561b4c1c4ccd69b51b3dcdc59724 |
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 | yehtWhPlsAWN9fFzkWdTDgOPvFFseNpYTvSuyhAUxAN2eGFnXOC4EWMOED92gBck7ToC+cDEYLevFMpmqqflAg== |
| 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
| 2026-09-17T12:06:57.255883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014991observed 81cb6feba7716bb8ba82f2937ed89bbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:57.237972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014991/manifest.jsonobserved d670cfbb4acc6606fc55be32372a8a0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:57.218974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014991/publication.mdobserved 5cb30a66b076540bcee63132f216defb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:57.199539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014991/publication.txtobserved 2c749cfa91379c720fe98357f1178dae...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. |
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