OT-2026-000003688
Publication integrity record
Bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pressure verified
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-2026-000003688) never changes.
Identity and time
| Publication number | OT-2026-000003688 · never reused |
|---|---|
| Internal UUID | 01a0a90a-bf5e-7bf1-8702-f92c66654f57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:28.993018Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003688 |
| Status | PUBLIC |
Content hashes
| Canonical text | 482473273a28682a7a4215baebd200e12121cee761e475736fc847923a2727b1 |
|---|---|
| Markdown | dcbe793ef62624f4826d530b68479f2e376cee329d83b0d0107c1234b8c033a6 |
| Publication page | 0c6eba636539658a437cb3fe886befc70b6a16bc7b6bb2b03b6b45aff5903eb7 |
| Manifest | ccd92da4624c47335f54114bf5c13380e1044071538279d8d018ff18bf8ed96d |
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 | F/cLj/ipGdrQgGeWhoUNwVirstqCSAQ9+xMutJp0V3YP95WXyGRjVy4wRx7Hp+7fOVwA3KgR5CKHEPxf+uR6Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-26T08:41:54.127600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003688observed 0c6eba636539658a437cb3fe886befc7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T08:41:54.053552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003688/manifest.jsonobserved ccd92da4624c47335f54114bf5c13380...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:53.967859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003688/publication.mdobserved dcbe793ef62624f4826d530b68479f2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:53.666647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003688/publication.txtobserved 482473273a28682a7a4215baebd200e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:31.140515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003688observed 0c6eba636539658a437cb3fe886befc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:31.128661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003688/manifest.jsonobserved ccd92da4624c47335f54114bf5c13380...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:31.023673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003688/publication.mdobserved dcbe793ef62624f4826d530b68479f2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:30.940670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003688/publication.txtobserved 482473273a28682a7a4215baebd200e1...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 |
|---|