OT-2026-000004550
Publication integrity record
Vacuum cup gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000004550) never changes.
Identity and time
| Publication number | OT-2026-000004550 · never reused |
|---|---|
| Internal UUID | 01a0a91b-aa51-7855-9f9f-3766b04bac2c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:57.715878Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004550 |
| Status | PUBLIC |
Content hashes
| Canonical text | 94afaeb16c92c3fece93020dee3a04c5295b224feb7cd24f025e452c4030dec7 |
|---|---|
| Markdown | 5929329537ad14dfc372ea257060546444f642fca72d6f51ba1f404f9bef756d |
| Publication page | 6e8d0a1d917704b3fdc6a8989fd09bb8d3eb946de819965fdee17c2c5f014e28 |
| Manifest | 5bde8802dd7b57c4e98266383837ca5e6580d49b9c95b4c9d6edeab4215a6c8c |
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 | 0AKkODnidaMPbHImV9SOkTkRcU6eidqhINKLKIsXs9oPvgWPYY21JqS0BOa5jdVKlgYwX1G5EwTk3pxpn3UCAw== |
| 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
| 2026-09-16T07:30:15.727659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004550observed 6e8d0a1d917704b3fdc6a8989fd09bb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:15.716480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004550/manifest.jsonobserved 5bde8802dd7b57c4e98266383837ca5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.700644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004550/publication.mdobserved 5929329537ad14dfc372ea2570605464...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.685834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004550/publication.txtobserved 94afaeb16c92c3fece93020dee3a04c5...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. |
|---|