OT-2026-000033081
Publication integrity record
Single cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000033081) never changes.
Identity and time
| Publication number | OT-2026-000033081 · never reused |
|---|---|
| Internal UUID | 01a0ae75-4844-7302-84fd-b11dc5858a6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:57.065765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033081 |
| Status | PUBLIC |
Content hashes
| Canonical text | 197d12320c29dac41faa8bf1d33dbfccbe98cdf512a9a9591504ec06a405e962 |
|---|---|
| Markdown | 4ac6312870fd5c270ca78bd9bfcb53364a9da219f3a7b600de1cecc170ebd3e0 |
| Publication page | f0b1c66e55ccb4ab38831e836254b79f365529a2cbe6309f78844f9ce1bed3c2 |
| Manifest | 8a3f8e0b58178fa087f6c663574550438befa90bc6a2cc44b3a6709f7059caf7 |
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 | 9GDVBN7W7G1XomhS5wWWV/G04CIBptc0guufSTHxGajSXqGLCOFNG5DX/4oneaLpm3b4QeW8f9XWX3yLS8h2Ag== |
| 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
| 2026-09-21T08:41:20.379021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033081observed f0b1c66e55ccb4ab38831e836254b79f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-21T08:41:20.307086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033081/manifest.jsonobserved 8a3f8e0b58178fa087f6c66357455043...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:20.219043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033081/publication.mdobserved 4ac6312870fd5c270ca78bd9bfcb5336...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:20.127441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033081/publication.txtobserved 197d12320c29dac41faa8bf1d33dbfcc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:43.690430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033081observed f0b1c66e55ccb4ab38831e836254b79f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:43.672640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033081/manifest.jsonobserved 8a3f8e0b58178fa087f6c66357455043...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:43.654914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033081/publication.mdobserved 4ac6312870fd5c270ca78bd9bfcb5336...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:43.635031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033081/publication.txtobserved 197d12320c29dac41faa8bf1d33dbfcc...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 |
|---|