OT-2026-000074522
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000074522) never changes.
Identity and time
| Publication number | OT-2026-000074522 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717b-7f14-82a4-9e570ab4d1c4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074522 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9f40e9f263760bb43fe1956c5c75cd06d9a4f22dd0a1de3c6ee3f84fda8ff0e |
|---|---|
| Markdown | 3a9603d54b329a86ad1c2782a4bcefdb727d769d27bb7e91f58af1e108cdeb52 |
| Publication page | c88897b7efb4ae04e3ea1258cf98a31bdd11d333b2269617ae9a19e5437811b2 |
| Manifest | 2641df4644cd50f023152c3f2033d7f04b02b6325e4fc49dec21c15dce556a55 |
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 | es7D1Na9/2BKkuulr3FOZjiw4/JJBi6OIeU/l30n6GRNy5VW4H+xOa3abvv8VhBjfWHWnhME2ObEYnZg/fL8Dg== |
| 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
| 2026-10-25T04:41:17.280568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074522observed c88897b7efb4ae04e3ea1258cf98a31b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T04:41:17.214250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074522/manifest.jsonobserved 2641df4644cd50f023152c3f2033d7f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:17.145866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074522/publication.mdobserved 3a9603d54b329a86ad1c2782a4bcefdb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:17.040543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074522/publication.txtobserved e9f40e9f263760bb43fe1956c5c75cd0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:41:23.823274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074522observed c88897b7efb4ae04e3ea1258cf98a31b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:41:23.738959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074522/manifest.jsonobserved 2641df4644cd50f023152c3f2033d7f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:41:23.610811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074522/publication.mdobserved 3a9603d54b329a86ad1c2782a4bcefdb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:41:23.530538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074522/publication.txtobserved e9f40e9f263760bb43fe1956c5c75cd0...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 |
|---|