OT-2026-000072991
Publication integrity record
Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000072991) never changes.
Identity and time
| Publication number | OT-2026-000072991 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c815-7a67-b48d-a6774f69d353 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072991 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2ae1c8608b645404a3b1f12040b790e849547bb2773a6946d7b4f8a25be25af |
|---|---|
| Markdown | 48057cd1f156be7f7355420a66d1c473e9e5e604a7a33a49166fbbe89e21207e |
| Publication page | 50a23e0e7749ea1079f18282a1b355692ef007bf8cc63797f4a3e90875792e20 |
| Manifest | 635f20c2c284677ba2e70f2b0f7b4cfad70b538f5502c3246375c5f11f0b7b09 |
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 | WHQPt29vED8csZRCwZ+UlGnoW1LKsKlaV+8z5q0Gb4vnC2V60Qc+RaTSmmopgEuLXdYM7m0uoxl4YTzEXL5MCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:21:55.380134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072991observed 50a23e0e7749ea1079f18282a1b35569...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:55.361378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072991/manifest.jsonobserved 635f20c2c284677ba2e70f2b0f7b4cfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:55.343025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072991/publication.mdobserved 48057cd1f156be7f7355420a66d1c473...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:55.325732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072991/publication.txtobserved d2ae1c8608b645404a3b1f12040b790e...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. |
|---|