OT-2026-000021991
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000021991) never changes.
Identity and time
| Publication number | OT-2026-000021991 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7a4d-a8d1-307146d67697 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76dff8e56646e40e3d24af31ae52d76e0328b1c193260dce7c0ceba3c4c05f59 |
|---|---|
| Markdown | fdf7ea1a66541fd1867f0ccabd2889af900cca8da16bf00d8211e3bd9bf55c35 |
| Publication page | 7021021209bb3f883914f2278298513ff19aa85c364655ea1ddb937a5d526398 |
| Manifest | af008df61c49c412efe509080d49655b426eb958db4964e6d3562e48788c9b2b |
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 | bBkHD2DGmZKx8TkoRv9rCIrPz4d/wGzGdbGqzAJ3OWAwVR9r5WpipnIpTJXpIeKNsNwNdhjM77RwX1LKmqEiCg== |
| 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
| 2026-09-17T11:54:40.036198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021991observed 7021021209bb3f883914f2278298513f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:40.016922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021991/manifest.jsonobserved af008df61c49c412efe509080d49655b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.998499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021991/publication.mdobserved fdf7ea1a66541fd1867f0ccabd2889af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.977843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021991/publication.txtobserved 76dff8e56646e40e3d24af31ae52d76e...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. |
|---|