OpenTechnical

OT-2026-000013019

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000013019) never changes.

Identity and time

Publication numberOT-2026-000013019 · never reused
Internal UUID01a0ae6d-5564-7c39-9437-61a4898d0b80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013019
StatusPUBLIC

Content hashes

Canonical text17a6dee87a82ba13f5d92c7845a36bb1bafd1c23ac0992069bfb08752dbbdf3f
Markdown5a94d152cd5b44a13af18d51b0bddcb5464093227ea40445b826781b5f4292e6
PDF
Publication page9426da785e36246578f33ec077c34a86093219cd935f801af1a80dbf270aa4ca
Manifest1944775bff1e113a523652af0f75730106e2ec53a25fb5417f9306358acd4665

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
SignatureWyEIBag1sXlnCvV6Dz46J/Er7J/9k+gkLTADfmbSFnq76vDlDoy3CGtXxSZVqYolegIMtFrphGXkK0WqVkOdAw==
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

2026-09-17T12:10:50.607980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013019
observed 9426da785e36246578f33ec077c34a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.590520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013019/manifest.json
observed 1944775bff1e113a523652af0f757301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.571278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013019/publication.md
observed 5a94d152cd5b44a13af18d51b0bddcb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.552111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013019/publication.txt
observed 17a6dee87a82ba13f5d92c7845a36bb1...
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.