OT-2026-000004902
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, 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-2026-000004902) never changes.
Identity and time
| Publication number | OT-2026-000004902 · never reused |
|---|---|
| Internal UUID | 01a0a927-3817-7b78-8ad6-874e0f04d19f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:34.906457Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004902 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5f36cc21572da915b66be3d0f0e7882033ab368b780f19666b2eb2c27c32d33 |
|---|---|
| Markdown | e7bdcca2c8519cb1d070a416f201e14132c2dc6d5968b507b1c49847a43e77e7 |
| Publication page | 50c3a7b167304c328210569fd2cbbef3393c2cb80e45b94f53bb4225b38591dc |
| Manifest | 5e4130154a3e42f1b58321fcbeb63f0ac6eb5b678397d5469fcefab16438bafe |
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 | e2PTkN9Q6nj1W93O4/NgptxthtX2scmwmEEkxqP0/YkII0CF+LWOiqvBIxXLmVb80Wo8kt59/Vi4IR2WeIBbCg== |
| 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
| 2026-09-16T07:40:06.633310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004902observed 50c3a7b167304c328210569fd2cbbef3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:06.620700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004902/manifest.jsonobserved 5e4130154a3e42f1b58321fcbeb63f0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.498248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004902/publication.mdobserved e7bdcca2c8519cb1d070a416f201e141...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.483997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004902/publication.txtobserved a5f36cc21572da915b66be3d0f0e7882...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. |
|---|