OpenTechnical

OT-2026-000102113

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000102113) never changes.

Identity and time

Publication numberOT-2026-000102113 · never reused
Internal UUID01a0aea4-50f2-76a7-8455-67df66842602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102113
StatusPUBLIC

Content hashes

Canonical text3c0f7ae510bad44dc4d628bec334902f7070f32af0d51a2f7820f1f61fc7d2b8
Markdownc2f371ca35b2d12abc95de1c4afba6802c1755dd6f1ee438146840c032343f2d
PDF
Publication page8f1efbd9b100467af52c28b7fc9c7fdf6a3c331d7590ecc4cc2fefda5c487a7f
Manifestce48c4bb62426f0a8749e5d98a0adfb48f7bca73539acbf5f0220258cfda289f

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
SignatureCkoThuBRmTWzr+dsY6D4r8NMBs7+0twa3td6q0yPI+JiY/DvYTz8+iJD4P6OWxR3kH1ipjDb70/rtPHmlGbQAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:16.068001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102113
observed 8f1efbd9b100467af52c28b7fc9c7fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.047382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102113/manifest.json
observed ce48c4bb62426f0a8749e5d98a0adfb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.028492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102113/publication.md
observed c2f371ca35b2d12abc95de1c4afba680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.007699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102113/publication.txt
observed 3c0f7ae510bad44dc4d628bec334902f...
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.