OT-2026-000077721
Publication integrity record
Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000077721) never changes.
Identity and time
| Publication number | OT-2026-000077721 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ecf-72c5-86b2-cb66d4842d0a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 671c9a32ca2e2c2a2819e95da698f45c53d487eff160412ce8f453441c72f1e6 |
|---|---|
| Markdown | 162e44ca23f6dc97e3fd383fe50252355e5b0262de86dca7a1eb24a3789a42f0 |
| Publication page | 2ae507d54b2ea8020dae037345779903d5a8693f53660e9aff8a7dc4bb3e0aa2 |
| Manifest | f5f58483a21a0c5583f305c430e1821042b458a61c5c8029795250ce6db52e3b |
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 | ZyasttXGMA6x3IiF/Ctj55aogiwH6xfHImhTtni07nEr7iZF6yeJ7bRwfu+hOxhdRWraPWX99OhZX2Vc7vGDBA== |
| 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... |
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Independent retrieval
| 2026-10-28T04:41:22.997540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077721observed 2ae507d54b2ea8020dae037345779903...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T04:41:22.933839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077721/manifest.jsonobserved f5f58483a21a0c5583f305c430e18210...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:22.841465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077721/publication.mdobserved 162e44ca23f6dc97e3fd383fe5025235...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:22.721852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077721/publication.txtobserved 671c9a32ca2e2c2a2819e95da698f45c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:31.436045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077721observed 2ae507d54b2ea8020dae037345779903...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:31.281382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077721/manifest.jsonobserved f5f58483a21a0c5583f305c430e18210...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:31.199191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077721/publication.mdobserved 162e44ca23f6dc97e3fd383fe5025235...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:31.115529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077721/publication.txtobserved 671c9a32ca2e2c2a2819e95da698f45c...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 |
|---|