OT-2026-000057169
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000057169) never changes.
Identity and time
| Publication number | OT-2026-000057169 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5ba-79cf-a098-78732b12c444 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057169 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57a091049e7dcbe6217b5734aa34d68f39fd3a08a14dd4913cfcc3bbb3c4b22a |
|---|---|
| Markdown | f629b76ad1ee4692638bcec9759a5142df544564fdc469efd6840b4af794bcc2 |
| Publication page | dca89b114e7ad467abea99814aa1fe5154a62327f36ded76c51a84da53e3f947 |
| Manifest | 2da920633114f5751f64496309a6a887d4b7ca36faf1f50454e1ae96aaca6bcf |
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 | LX87vR88MucEoPyPdri8yqNrDUy2nqd5OtzWshWKGQAfkyzE2EMtvAV+kGESNI0mCP0yhDfjrNw7AYVf9+rCCQ== |
| 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
| 2026-09-30T04:41:49.483850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057169observed dca89b114e7ad467abea99814aa1fe51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T04:41:49.423400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057169/manifest.jsonobserved 2da920633114f5751f64496309a6a887...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:49.358685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057169/publication.mdobserved f629b76ad1ee4692638bcec9759a5142...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:49.287631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057169/publication.txtobserved 57a091049e7dcbe6217b5734aa34d68f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:41:32.230693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057169observed dca89b114e7ad467abea99814aa1fe51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:41:31.873192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057169/manifest.jsonobserved 2da920633114f5751f64496309a6a887...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:41:31.433151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057169/publication.mdobserved f629b76ad1ee4692638bcec9759a5142...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:41:31.070319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057169/publication.txtobserved 57a091049e7dcbe6217b5734aa34d68f...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 |
|---|