OpenTechnical

OT-2026-000009438

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000009438) never changes.

Identity and time

Publication numberOT-2026-000009438 · never reused
Internal UUID01a0ae6b-7562-71c2-bdba-4eaa00a5d010 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009438
StatusPUBLIC

Content hashes

Canonical text0ad5da5a4e4d395be980ad35b76fe5b580d83c130f901f6e7a582328b499b276
Markdowna2991411f3092e8c1973e0d8870441498058f8645e4105999c41c38d43bc6286
PDF
Publication page6e3c05b6c8e365a6fed0705ceafaf6725457673edd206c544d17c858ead83a5d
Manifest27c9f69dca81dd0108d746ee5133644dd39d79d54dd2cfc91d77f2631648d657

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
SignaturewQDDbPKFtO4WpHTeUwnwIc5R+UI0Zh8lparPLgRoDygA5qVCGG0OfTbM6LqshKIQlI4c/GPFVF3EK3dS/Qt/Dw==
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

2026-09-17T12:16:43.799399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009438
observed 6e3c05b6c8e365a6fed0705ceafaf672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.782729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009438/manifest.json
observed 27c9f69dca81dd0108d746ee5133644d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.764736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009438/publication.md
observed a2991411f3092e8c1973e0d887044149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.745572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009438/publication.txt
observed 0ad5da5a4e4d395be980ad35b76fe5b5...
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.