OT-2026-000004452
Publication integrity record
Porous face vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure verified
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-2026-000004452) never changes.
Identity and time
| Publication number | OT-2026-000004452 · never reused |
|---|---|
| Internal UUID | 01a0a918-386f-72bb-9fab-ab3c96766870 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:11.954614Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004452 |
| Status | PUBLIC |
Content hashes
| Canonical text | a23c1257e6c51b8f70734ae3cffafc4b1e1a646bf740485d6b95e3eb53de7f28 |
|---|---|
| Markdown | 2b3c02ad327387d88d0c56da7f3b39ebb6758aa95e697c344dcf21519002d1aa |
| Publication page | cc7fd7fb33c6dfb76c31684d98db8e0666ab02842fe035bee491dbd010b2dadb |
| Manifest | d66dae372093748e2a219c62241718ab93e2c19cb1f4fa95aa1a884551a057b6 |
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 | OBZMTAq7t7RBZlTJdLmCt07J80i1lHmzpHFS+HrA3Ge7keVCXYHN3s2aYvRWe5CqWQ6Q+2xullTHKtXWCMpYCg== |
| 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
| 2026-09-16T07:30:25.968596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004452observed cc7fd7fb33c6dfb76c31684d98db8e06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:25.956382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004452/manifest.jsonobserved d66dae372093748e2a219c62241718ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:25.940478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004452/publication.mdobserved 2b3c02ad327387d88d0c56da7f3b39eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:25.926835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004452/publication.txtobserved a23c1257e6c51b8f70734ae3cffafc4b...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. |
|---|