OT-2026-000028995
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off before set-down
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-2026-000028995) never changes.
Identity and time
| Publication number | OT-2026-000028995 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7dbd-98b2-f0efc5dcb34f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028995 |
| Status | PUBLIC |
Content hashes
| Canonical text | df7b63cd8a0aff34e78fc4fb55fb7c254e4d0f12a97d3f18dbdecb38b1a979d2 |
|---|---|
| Markdown | af45210b1b4411fe68766cbf3d21c564d7eaa4d640e6e8da86cc8d7b12e4a671 |
| Publication page | 7c5579d520c136a1d1983952bbd061a758b3b793f1db87f54f0fc828513d4a4e |
| Manifest | 153aa823adc05b94ab6bccf075030b88aaae1672c73254a34bd5d5ec645e88ab |
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 | NQZ34DmsADsoO+ngD8lJYGhtd0IruqmYUulHlF/0rHH9uaLcABc/1MEZy7R7Vhgw8NSKNIn6V+HlCvVkxxCEAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:25.937400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028995observed 7c5579d520c136a1d1983952bbd061a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:25.798140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028995/manifest.jsonobserved 153aa823adc05b94ab6bccf075030b88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:25.780604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028995/publication.mdobserved af45210b1b4411fe68766cbf3d21c564...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:25.762129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028995/publication.txtobserved df7b63cd8a0aff34e78fc4fb55fb7c25...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. |
|---|