OT-2026-000020320
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000020320) never changes.
Identity and time
| Publication number | OT-2026-000020320 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-71ae-8a73-e56dd6ef7442 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020320 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce08b4410c876864ee3714e1d0e2f0dc06432389293f4c12f8dd28a507eaac09 |
|---|---|
| Markdown | 62d1b8081736ee14d28996d02d6cab29efc04bfcd90f4dfcb868fce753ac684a |
| Publication page | f0d00612a043f000e3fb98ed845abb36dccb95253c0e3a7b17dd64e1a7610254 |
| Manifest | a014cfa1f6cf7c85a29d9223e8faadbda82523c8af52defca16b79b67e438403 |
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 | /GIm/Jtoi7bwEU8FfEmy+BlkKcHHic+COWYBNE7uslIu1Dk5f1S1ehwHfXyBPrJZLjSnJRzVVJdDRoHJqOssAQ== |
| 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
| 2026-10-31T20:41:46.968065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020320observed f0d00612a043f000e3fb98ed845abb36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T20:41:46.905196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020320/manifest.jsonobserved a014cfa1f6cf7c85a29d9223e8faadbd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:46.857103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020320/publication.mdobserved 62d1b8081736ee14d28996d02d6cab29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:46.791142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020320/publication.txtobserved ce08b4410c876864ee3714e1d0e2f0dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:51.412708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020320observed f0d00612a043f000e3fb98ed845abb36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:51.362973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020320/manifest.jsonobserved a014cfa1f6cf7c85a29d9223e8faadbd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:51.302556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020320/publication.mdobserved 62d1b8081736ee14d28996d02d6cab29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:51.242463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020320/publication.txtobserved ce08b4410c876864ee3714e1d0e2f0dc...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 |
|---|