OT-2026-000031053
Publication integrity record
Two cup vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000031053) never changes.
Identity and time
| Publication number | OT-2026-000031053 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7e0a-a711-3c50a32f4ba1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031053 |
| Status | PUBLIC |
Content hashes
| Canonical text | adb363ce971edeb62e540fbc67b0fdfee231d3dda512c50ef371878a0607b9f1 |
|---|---|
| Markdown | c46d10e528ebe180bc4771a5e1f2aa303d15ea9c58f4c4477fd4e7a92060ff30 |
| Publication page | 6c1ce7f8ffb8ab16040930f5098c55d39b068d726765b7d82279f0297933e1a9 |
| Manifest | 1568f34799aabfcc112b3cbaab9830aac289d352f5409d8ee3af434d9344ffc1 |
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 | Tza+lhAJGiTsYSPyf081/yQbLT0e9P4vaDSe4HXtZED1lXWUT2/LMIaPkBDBekpiFMiI9k+jEQa9zdkD657oBg== |
| 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
| 2026-10-23T20:41:50.101559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031053observed 6c1ce7f8ffb8ab16040930f5098c55d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T20:41:50.053050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031053/manifest.jsonobserved 1568f34799aabfcc112b3cbaab9830aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:50.004346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031053/publication.mdobserved c46d10e528ebe180bc4771a5e1f2aa30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:49.955264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031053/publication.txtobserved adb363ce971edeb62e540fbc67b0fdfe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:44.099271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031053observed 6c1ce7f8ffb8ab16040930f5098c55d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:44.011754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031053/manifest.jsonobserved 1568f34799aabfcc112b3cbaab9830aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:43.909648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031053/publication.mdobserved c46d10e528ebe180bc4771a5e1f2aa30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:43.744676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031053/publication.txtobserved adb363ce971edeb62e540fbc67b0fdfe...fetched by grabo-systems from 34.44.131.203, 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 |
|---|