OpenTechnical

OT-2026-000006371

Publication integrity record

Vacuum cup gripper, four outlet manifold, three stage ejector, pressure verified, vented 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-2026-000006371) never changes.

Identity and time

Publication numberOT-2026-000006371 · never reused
Internal UUID01a0a958-a45e-70b4-8525-8540ab0c1316 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:33.889322Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006371
StatusPUBLIC

Content hashes

Canonical text3ba09f4b20208b643fe5c2dc46770c9a20a7b157d498ece1faef24c9055d86c4
Markdown624dbc8a32a69f789ef16555fb86fd3761e4540234bdf9ff48298c357a539ea8
PDF
Publication page5634936aa8e7ae00dc46a79c41144b11ce46241e3f001bf5d552cedd5a1cc9ed
Manifestc7600989ab118d7e711e23f65e776587f904392c50d0a9451e7e5c0255b47576

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
SignaturerQEJWaryn7SPGAc5PmlIGnqc3ZPOftZtiWyBPm5m88FxnamYDwsLyT7J58QtPP736tmAOpKD2HOjYA3/fdyLBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:25.647756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006371
observed 5634936aa8e7ae00dc46a79c41144b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.631430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006371/manifest.json
observed c7600989ab118d7e711e23f65e776587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.500666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006371/publication.md
observed 624dbc8a32a69f789ef16555fb86fd37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.487946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006371/publication.txt
observed 3ba09f4b20208b643fe5c2dc46770c9a...
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.