OT-2026-000004980
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, three 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-2026-000004980) never changes.
Identity and time
| Publication number | OT-2026-000004980 · never reused |
|---|---|
| Internal UUID | 01a0a929-e8a0-7a96-9c37-fc04f3b2a3fa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:31.171102Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2410b050f3ff6b96ab449e7f16811db317c385dfca447e3e8b7a2f71d16257e8 |
|---|---|
| Markdown | 268265f7ffde4490c3b2f270f633561ca55e871f29b0d33bd5e6727bc31acc2a |
| Publication page | 8e58bc46a5c5284b450b45f85919267e5830244d04185d08f580f0a13a3e9080 |
| Manifest | e5ef0f26da66281f21d4de1572ee50e8c8c099a8b6eb6486fa3e368265736525 |
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 | 8/qRuc+K0nsxzfF/V9L6WEn6npg8nQnRFRFCUyJPne9Vff0rd8tUNtr6ea0tTs8l8bfPtNjmSkDqA/EBB/YjAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:28.491584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004980observed 8e58bc46a5c5284b450b45f85919267e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:28.479013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004980/manifest.jsonobserved e5ef0f26da66281f21d4de1572ee50e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:28.465591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004980/publication.mdobserved 268265f7ffde4490c3b2f270f633561c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:28.451479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004980/publication.txtobserved 2410b050f3ff6b96ab449e7f16811db3...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. |
|---|