OT-2026-000075238
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down
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-2026-000075238) never changes.
Identity and time
| Publication number | OT-2026-000075238 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-7aa1-9a95-f840a2cab7ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075238 |
| Status | PUBLIC |
Content hashes
| Canonical text | e523c6aa76f3a6744d12862429f685e0a894014ab6002685e5e980e8a4d1325e |
|---|---|
| Markdown | a8600c644915f0a452c64e30ed74ef2598fb69c9719cc9b2ea8675821bd8797e |
| Publication page | f184598d83c639b3f7689ee7134f74f167b1e7e38c3b4fddc50caf9e196b02b9 |
| Manifest | bac2016103c15d6c0fcaa84c27d1bd1afd7a84059973665287e0d313bde510e5 |
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 | o+bwMHizinAoh3u2xm2NdPX6yT5T7sLiREX1rsrZITYbUcCfVfvJW4tNtJO2+Dc6OG9ItAN8E8dYGpzVL7KOCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-20T08:41:19.897462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075238observed f184598d83c639b3f7689ee7134f74f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T08:41:19.824914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075238/manifest.jsonobserved bac2016103c15d6c0fcaa84c27d1bd1a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:19.734145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075238/publication.mdobserved a8600c644915f0a452c64e30ed74ef25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:19.560326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075238/publication.txtobserved e523c6aa76f3a6744d12862429f685e0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:31.955500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075238observed f184598d83c639b3f7689ee7134f74f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:31.841765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075238/manifest.jsonobserved bac2016103c15d6c0fcaa84c27d1bd1a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:31.738759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075238/publication.mdobserved a8600c644915f0a452c64e30ed74ef25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:31.586297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075238/publication.txtobserved e523c6aa76f3a6744d12862429f685e0...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 |
|---|