OpenTechnical

OT-2026-000022776

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000022776) never changes.

Identity and time

Publication numberOT-2026-000022776 · never reused
Internal UUID01a0ae70-46ea-732b-83d2-f9cd486c20b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022776
StatusPUBLIC

Content hashes

Canonical textd36507cfcf8ce19a7b79a97d4840c9b219fff64c79587090471f5b5244b0e0ab
Markdownc00399d94bdb6b61935821902cd935ca509c458e5cbeb8cdef83d01c6819c4dd
PDF
Publication page8c3bef01b9afe3ffcdd3b35587f6f79862c838c208993a5d3378b406d4c40d24
Manifest754fa9f5b7bf02b010553841d8ff0b61e2bafbd5222f33d99206af7d9850586e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureG9PiRibt4Xl1RMkLNj88h4M6cWM9WHWbbDGpVgionrVcc1ydy6wfQ89ud/FWvPP9bY1F92seXqfuL5fyFI5CCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:17.570517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022776
observed 8c3bef01b9afe3ffcdd3b35587f6f798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:17.552244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022776/manifest.json
observed 754fa9f5b7bf02b010553841d8ff0b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:17.533675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022776/publication.md
observed c00399d94bdb6b61935821902cd935ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:17.516481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022776/publication.txt
observed d36507cfcf8ce19a7b79a97d4840c9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, 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 archivePending 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

Custody packagePending Custody packages are produced weekly.