OT-2026-000013620
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000013620) never changes.
Identity and time
| Publication number | OT-2026-000013620 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de8-7533-b7cc-c816a60d21a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013620 |
| Status | PUBLIC |
Content hashes
| Canonical text | 331c8a9b8306e2590394d8480fcc48d4fe0d31c885cc22bcf44133a88a842985 |
|---|---|
| Markdown | ab8e908ab0ba58b18d7e0329d91cf185b4cfd53c5509ca5b8390120067fcc627 |
| Publication page | 3fc95fc418360993a939a7c911b49bd19ab8a1f78911200a343424e3dab172dc |
| Manifest | 78f5ffec6ea17c248f662586f46b876a9e693f28fb49ff7688ab3412a504e8ef |
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 | tiQcCaz37XvB6HDETceVJVLd+sqinUU9J6Nv6sjcvowqnKX9c/Z59JiJ87BGOLj/65PS4yvLEPViBeySq3Z4Bw== |
| 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
| 2026-09-17T12:10:31.986389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013620observed 3fc95fc418360993a939a7c911b49bd1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:31.968185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013620/manifest.jsonobserved 78f5ffec6ea17c248f662586f46b876a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:31.948847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013620/publication.mdobserved ab8e908ab0ba58b18d7e0329d91cf185...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:31.928791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013620/publication.txtobserved 331c8a9b8306e2590394d8480fcc48d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:33.020759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013620observed 3fc95fc418360993a939a7c911b49bd1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:33.003611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013620/manifest.jsonobserved 78f5ffec6ea17c248f662586f46b876a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:32.984271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013620/publication.mdobserved ab8e908ab0ba58b18d7e0329d91cf185...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:32.965526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013620/publication.txtobserved 331c8a9b8306e2590394d8480fcc48d4...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. |
|---|