OT-2026-000074012
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000074012) never changes.
Identity and time
| Publication number | OT-2026-000074012 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-7b57-ad3e-dc486c09bd1a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074012 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d67153e3f6f9095f5edaa8595629c6a5019118b227dead61ea062ce3fb070fa |
|---|---|
| Markdown | 3948d7a7d6db89ae41c60e5357a3904fb8758687fb5797017a1b86c157e06262 |
| Publication page | d2fd9fced77d1f2cd58af224dce5494d933f69a61b755171eab6ac10bd035a33 |
| Manifest | ae806ee2a5e8cc018936f26b18ec2ca8144a9a484a41e86c82fcf7e6c56ca344 |
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 | uBprjMim8qmk+b5SeE6Rb42O9+1j2MCw7Hw9SPembIYsWQEeZ51RIfq3c4g9QR38tZdd4EoyO42VDiChHD5wAw== |
| 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
| 2026-09-17T10:20:18.650748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074012observed d2fd9fced77d1f2cd58af224dce5494d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:20:18.629113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074012/manifest.jsonobserved ae806ee2a5e8cc018936f26b18ec2ca8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:18.610238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074012/publication.mdobserved 3948d7a7d6db89ae41c60e5357a3904f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:18.590887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074012/publication.txtobserved 4d67153e3f6f9095f5edaa8595629c6a...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. |
|---|