OpenTechnical

OT-2026-000026199

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000026199) never changes.

Identity and time

Publication numberOT-2026-000026199 · never reused
Internal UUID01a0ae71-a841-7150-ba11-f10cab47bb71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026199
StatusPUBLIC

Content hashes

Canonical text746986c69e692b737aabaeedc0a03c206a5ec618f96e2cbfefaef06a0ae3dc0d
Markdownecd9f1b5565c487ddfdf99b77266138280f626341ff2303d771b2eb5d69b8a3f
PDF
Publication page18756f2834df27d79625af627a143f565c5716090ed6810686caf65e7fa92d5a
Manifest599cb541f909ca3f153b0205b83a0958c136054073e3faadb823ab6fbfc1c3e1

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
SignatureQ/HBexCDGBO+AZD8GLOq+sF6sdk3hOmijk+OCAA1TXLgsdn+XYQGHIXlK3W6K6kUI119kXY443HmLR1oHNOkBA==
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

2026-09-17T11:46:42.888697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026199
observed 18756f2834df27d79625af627a143f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.871303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026199/manifest.json
observed 599cb541f909ca3f153b0205b83a0958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.845547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026199/publication.md
observed ecd9f1b5565c487ddfdf99b772661382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.827367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026199/publication.txt
observed 746986c69e692b737aabaeedc0a03c20...
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.