OT-2026-000004934
Publication integrity record
Vacuum cup gripper, 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-2026-000004934) never changes.
Identity and time
| Publication number | OT-2026-000004934 · never reused |
|---|---|
| Internal UUID | 01a0a928-4cc5-7900-9d49-d34c0fc47fd1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:45.737195Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004934 |
| Status | PUBLIC |
Content hashes
| Canonical text | f81ff106def7d98e173e91e2bd8e36493207443710f9dc964b910e90db003de2 |
|---|---|
| Markdown | 2fc6a53a9ca1c63f576ea595252498c7ebba36a2ce71c00d00dcc2d58bb0dbb3 |
| Publication page | a8e3698ca3e217b0c8ba3b24ff16cc2d236ff2c80711950b0a52c14d678b76f4 |
| Manifest | 4f57006b3dcbac53fec6be1fa43d734c1001cc0b4e1653d53870f80b35c984bb |
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 | E8mUUMUHnIyDy5odbJudWznwvB5I/9jGkdZC9sTHntDYcrUQY9JKx0j6MMD58Tz98rpYWbrN8Ur5FLcnktnOAw== |
| 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
| 2026-10-17T16:42:00.744013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004934observed a8e3698ca3e217b0c8ba3b24ff16cc2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T16:42:00.632596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004934/manifest.jsonobserved 4f57006b3dcbac53fec6be1fa43d734c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:42:00.585032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004934/publication.mdobserved 2fc6a53a9ca1c63f576ea595252498c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:42:00.371096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004934/publication.txtobserved f81ff106def7d98e173e91e2bd8e3649...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:50.753212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004934observed a8e3698ca3e217b0c8ba3b24ff16cc2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:50.722770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004934/manifest.jsonobserved 4f57006b3dcbac53fec6be1fa43d734c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:50.710410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004934/publication.mdobserved 2fc6a53a9ca1c63f576ea595252498c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:50.615022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004934/publication.txtobserved f81ff106def7d98e173e91e2bd8e3649...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|