OT-2026-000004144
Publication integrity record
Bellows cup vacuum gripper, per zone isolation, ejector fed, pressure verified, contact triggered
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-2026-000004144) never changes.
Identity and time
| Publication number | OT-2026-000004144 · never reused |
|---|---|
| Internal UUID | 01a0a90f-7c89-792d-9f72-df01f89c502f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:39.565163Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004144 |
| Status | PUBLIC |
Content hashes
| Canonical text | 494d797519c7b441ce9170786f03788a0901aca40f1da42fcdba287a2c44a116 |
|---|---|
| Markdown | 202f04bd22645810b2ffe4011c45fa805eb242aa4be129620bab931e74c46059 |
| Publication page | cd0952b005f619ed4c7848ff633ff210bb24bc4e4652110f922cee7946c8d2b9 |
| Manifest | 467e5385a62c9e0d639e94af3a012b8d692d974c3cbd1b039bcbfc23b0fa32a7 |
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 | vl+aw3LFJFYOIhgRFkOeBzZnyi01YpQxCvHlkk45VKrMdrsYEgEqRYZ7kerOKAgQdnd4ARkt2Y4hEt4wEtDYDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:31.425308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004144observed cd0952b005f619ed4c7848ff633ff210...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:31.413337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004144/manifest.jsonobserved 467e5385a62c9e0d639e94af3a012b8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.400009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004144/publication.mdobserved 202f04bd22645810b2ffe4011c45fa80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.383268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004144/publication.txtobserved 494d797519c7b441ce9170786f03788a...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. |
|---|