OT-2026-000031257
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000031257) never changes.
Identity and time
| Publication number | OT-2026-000031257 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ac-76b0-b43c-7b0a096bed59 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76b9611fec65da52f798189bfcec93de9da7ae79c4996b66104f4f04a184cac8 |
|---|---|
| Markdown | a33d87160a6c5a60e44c014bfc367d91f4fc9cf52962609a2e3c7ff9c57be358 |
| Publication page | a01bff692153c76c812d7abda974a2214e0e325beccfc11c5202586e81c08f29 |
| Manifest | 2f71c76db43497a92c669f5d26450a609141dda8460c9981a55a69498977db27 |
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 | 9uOuCME8UcmhR+2zsYqOd+/ZGDUaV7N3Ufwz0MxfdFCdojlVvi+Mt9yLdatD4u3pU2zAe3C8DhqxkvkOlytxCg== |
| 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
| 2026-09-17T11:35:50.058347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031257observed a01bff692153c76c812d7abda974a221...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:50.037558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031257/manifest.jsonobserved 2f71c76db43497a92c669f5d26450a60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:50.019180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031257/publication.mdobserved a33d87160a6c5a60e44c014bfc367d91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:50.002132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031257/publication.txtobserved 76b9611fec65da52f798189bfcec93de...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. |
|---|