OT-2026-000071450
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, 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-2026-000071450) never changes.
Identity and time
| Publication number | OT-2026-000071450 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-78d3-9e28-9adc2cb982ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071450 |
| Status | PUBLIC |
Content hashes
| Canonical text | ec8ef529202e055b98ddd8548dce985df8eb9c0488292b695bed0f69d922ddb2 |
|---|---|
| Markdown | 40f4e334bc926da1f2d7b9ad559a37824b2a08f9a74cb5d88a6167470148658a |
| Publication page | b26422cd814328c5a31040369ccc4084b2f42570fb3e8137d4380e1f6b9a3978 |
| Manifest | 710c80e2950d4e952173ac72beb2732e7cb3e6e1ef2353e3b941c176b79b75a3 |
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 | 03yf9w9hkpR3LpG5PXIM2DroWg59GJvL5GmRhbCTKt2OH6qoeKIQRJ9LEJAGM2+IKkAlQa7GnRbI+wni8F1XDQ== |
| 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
| 2026-09-17T10:25:05.417461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071450observed b26422cd814328c5a31040369ccc4084...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:25:05.398978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071450/manifest.jsonobserved 710c80e2950d4e952173ac72beb2732e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:05.380944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071450/publication.mdobserved 40f4e334bc926da1f2d7b9ad559a3782...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:05.360803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071450/publication.txtobserved ec8ef529202e055b98ddd8548dce985d...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. |
|---|