OT-2026-000004955
Publication integrity record
Porous face vacuum gripper, per zone isolation, plant vacuum fed, 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-2026-000004955) never changes.
Identity and time
| Publication number | OT-2026-000004955 · never reused |
|---|---|
| Internal UUID | 01a0a929-1100-722c-b4e2-928352b944f6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:35.970200Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004955 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1bf319ebd5d31a1e5c36d434f99d5a2b33957ac916cfd0348a96ffb66a04abf7 |
|---|---|
| Markdown | 3c9e5c16fe81183bbf2e55b7274cd3a57006232d52b24c83ee28d54857b0e160 |
| Publication page | 58133a5e9002c43b94beea7c6691ffa047d2e6333c558500e67a40a199c47de3 |
| Manifest | 29ba72804a1504610a32ae6a21338159e863beed1d356292e3b0bc88be0a6ca1 |
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 | XKEPaKM1v1GmmZ3QtNT7jaakhSnVL2FUNL8UDx8rGWFSVqXDDUgd/SHBFMpIXxYjcoW1z5uiFg3aEBDni76vCA== |
| 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
| 2026-09-16T07:50:31.392903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004955observed 58133a5e9002c43b94beea7c6691ffa0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:31.379058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004955/manifest.jsonobserved 29ba72804a1504610a32ae6a21338159...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.239450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004955/publication.mdobserved 3c9e5c16fe81183bbf2e55b7274cd3a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.224916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004955/publication.txtobserved 1bf319ebd5d31a1e5c36d434f99d5a2b...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. |
|---|