OT-2026-000004880
Publication integrity record
Porous face vacuum gripper, two zone face, three stage ejector, contact triggered on the face
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-2026-000004880) never changes.
Identity and time
| Publication number | OT-2026-000004880 · never reused |
|---|---|
| Internal UUID | 01a0a926-6823-7a10-bdd5-63a1e4eaa45c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:41.671261Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004880 |
| Status | PUBLIC |
Content hashes
| Canonical text | d57d3e847a166d4a6bf57133851500e124d6d4e3423917ce4a0d9b48ee611719 |
|---|---|
| Markdown | c345158cf9350da02feee1f6ce0643f66b685308e2925c6aa61802b4ebeb66b7 |
| Publication page | 50e817b8445bdcc15196ed5ca25ada818b77065e538c9906caf70a7d9f8eedde |
| Manifest | 83a6e9f5a22fee029cbf1f61c2be6124c815134f868492afe47cac79049fb2f1 |
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 | Mj/Fd2cOToDdXyoDuAG/k8tdw8KZhk8issikUkdyxYqLmtiH3JYCJQZyDT6KB93QUHZXlMX7yk44L3TVER8QCg== |
| 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
| 2026-09-16T07:40:09.121589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004880observed 50e817b8445bdcc15196ed5ca25ada81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:08.993390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004880/manifest.jsonobserved 83a6e9f5a22fee029cbf1f61c2be6124...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.980667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004880/publication.mdobserved c345158cf9350da02feee1f6ce0643f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.966638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004880/publication.txtobserved d57d3e847a166d4a6bf57133851500e1...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. |
|---|