OT-2026-000028143
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
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-2026-000028143) never changes.
Identity and time
| Publication number | OT-2026-000028143 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7af5-9429-9b3c8137a2df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028143 |
| Status | PUBLIC |
Content hashes
| Canonical text | af3dc263c11feacf3bde867b0c7ca0afceeab8930d82ca314be69dc4e8812668 |
|---|---|
| Markdown | fd9c56e7a25c7285143d8b3931a809c09b6a2c4e5483b17deed6a14f70298646 |
| Publication page | 9002a7f57251180eafc06dee408e4ecbb2094eaf69e86d58806b2f3f8af329d9 |
| Manifest | 1d6d49333ce3f5c19dd2d0a9f3100f4e007ccbc5d3dd8c73d867dd79a7d34e82 |
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 | jLiNlOUZksN11TXzSAIdwTV1on9vyk+wrpVO/LRZQyIixVLCgr7x0m1XsJVH5p/F3BRCoTnYSp7ryZLI5TRuCw== |
| 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
| 2026-09-17T11:42:29.790159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028143observed 9002a7f57251180eafc06dee408e4ecb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:29.771362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028143/manifest.jsonobserved 1d6d49333ce3f5c19dd2d0a9f3100f4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:29.752858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028143/publication.mdobserved fd9c56e7a25c7285143d8b3931a809c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:29.734122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028143/publication.txtobserved af3dc263c11feacf3bde867b0c7ca0af...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. |
|---|