OT-2026-000019453
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000019453) never changes.
Identity and time
| Publication number | OT-2026-000019453 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-724f-960f-ed21f50a1d78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019453 |
| Status | PUBLIC |
Content hashes
| Canonical text | cca0e6f2bd7b1d26e47de6f51364da4acffe31b0c8850dc09f2694abfb157aaf |
|---|---|
| Markdown | 5475ebc11682ee2f919385f87fa740f10a369fe9f4f83cd22073455aaae3eb30 |
| Publication page | bb24cb35a1119e28bd54620e040405e057c68fd64f16bfd90c01c0f416471f03 |
| Manifest | 83fd336757ccc1541f52a7f399d5cf57c40ce0e2c923eaadf944676a66cd61e3 |
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 | 9JC3xqRf0UgGUmEOYqlVmuWgV3qWarJLwNpwn2zfe+2XYci9+ChzD0kz6xKaZfxhu0ChTzHgvHagzjHTluruDQ== |
| 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
| 2026-09-17T11:58:51.293485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019453observed bb24cb35a1119e28bd54620e040405e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:51.274785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019453/manifest.jsonobserved 83fd336757ccc1541f52a7f399d5cf57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:51.256354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019453/publication.mdobserved 5475ebc11682ee2f919385f87fa740f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:51.238162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019453/publication.txtobserved cca0e6f2bd7b1d26e47de6f51364da4a...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. |
|---|