OT-2026-000053810
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000053810) never changes.
Identity and time
| Publication number | OT-2026-000053810 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735d-7bf8-b964-fe9d230ddcc1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:36.560124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053810 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f6a716e3fb8ab4b79a997745cde46736643ca44e6c3d04531dc76eb1b2450b7 |
|---|---|
| Markdown | d64ceefb58e9cf3dacf048ada10283b0b872ebd6a61f17c450b5a01937d28b10 |
| Publication page | d9774984481743fb1f896bbfc59cb74fc5824278295e0a9a65eedcb7fbf4b7c1 |
| Manifest | a138e1d9e552ec2db7798a89f7230728b53e42ecbffeee84c01f2b50162999f4 |
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 | SJFIiLlyI851RVbeKaPOJ6XzSmdHlA0zKNVRNGyPVpL28WVlx/a27MN3Vr/h54HufjvyxM96sqGFW1MHEp/sCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-31T08:41:58.491188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053810observed d9774984481743fb1f896bbfc59cb74f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:41:58.416163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053810/manifest.jsonobserved a138e1d9e552ec2db7798a89f7230728...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:58.342396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053810/publication.mdobserved d64ceefb58e9cf3dacf048ada10283b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:58.268706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053810/publication.txtobserved 4f6a716e3fb8ab4b79a997745cde4673...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:29.854876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053810observed d9774984481743fb1f896bbfc59cb74f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:29.769319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053810/manifest.jsonobserved a138e1d9e552ec2db7798a89f7230728...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:29.691533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053810/publication.mdobserved d64ceefb58e9cf3dacf048ada10283b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:29.569076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053810/publication.txtobserved 4f6a716e3fb8ab4b79a997745cde4673...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 |
|---|