OpenTechnical

OT-2026-000007911

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000007911) never changes.

Identity and time

Publication numberOT-2026-000007911 · never reused
Internal UUID01a0ae6a-908a-78c0-9310-f15c103152c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007911
StatusPUBLIC

Content hashes

Canonical textc05c78b9ec55196e2799b5c41d7003d3cfa8efb97a454192d61c3a50b5b8ad16
Markdownc3455711e255e7c57dea6ee3d0f09c4e125faa9764114d26539c85114464d74f
PDF
Publication pagedd6338ca48ba3aaf654edc9519269c37cc22c712d2d649fecd8a3f1fa574a838
Manifest312d367643b26954857ac27843303e9449dd7bae506f646e4611ec6652a9bc34

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
Signature5hwgRnko42nZM7y6MuA8sXNlCDmyNdVwgldavL+hlLIWWZH6vIgjE98ysw17iExIQLa3ZeBvE+vlFcep3nBxAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:22.969714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007911
observed dd6338ca48ba3aaf654edc9519269c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.950408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007911/manifest.json
observed 312d367643b26954857ac27843303e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.931399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007911/publication.md
observed c3455711e255e7c57dea6ee3d0f09c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.913732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007911/publication.txt
observed c05c78b9ec55196e2799b5c41d7003d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.638570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007911
observed dd6338ca48ba3aaf654edc9519269c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.621967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007911/manifest.json
observed 312d367643b26954857ac27843303e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.602839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007911/publication.md
observed c3455711e255e7c57dea6ee3d0f09c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.584825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007911/publication.txt
observed c05c78b9ec55196e2799b5c41d7003d3...
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.