OT-2026-000021290
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000021290) never changes.
Identity and time
| Publication number | OT-2026-000021290 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-76aa-b26b-515a3abcc46a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021290 |
| Status | PUBLIC |
Content hashes
| Canonical text | 352d16cc15720b53193b14b21836bbb4f634fd9c2e39949bed6c04742deff35a |
|---|---|
| Markdown | 2e8c0a1afc62f466b0862971643291e5c01936470a8fa192daada648800c3192 |
| Publication page | bb33ce0c4e69630c0cbb1902f54248a979ca8df86ca995583a2ada2fba861c59 |
| Manifest | 00080f7984527250ce6135961ae277e5552649f0d599539fe2847865995e888c |
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 | Y0QTam8dsaLIOLr4PpDlW3z8nWh2xMdKboGDAnqfqq0X3Z1jL8u9Jth8jKLQ6vRRD94L6QaTLL798MQKlw6lBA== |
| 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
| 2026-09-17T11:55:07.484655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021290observed bb33ce0c4e69630c0cbb1902f54248a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:07.466525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021290/manifest.jsonobserved 00080f7984527250ce6135961ae277e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:07.446194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021290/publication.mdobserved 2e8c0a1afc62f466b0862971643291e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:07.427134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021290/publication.txtobserved 352d16cc15720b53193b14b21836bbb4...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. |
|---|