OpenTechnical

OT-2026-000035407

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000035407) never changes.

Identity and time

Publication numberOT-2026-000035407 · never reused
Internal UUID01a0ae76-6a20-7cdc-8951-cf535fb087a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035407
StatusPUBLIC

Content hashes

Canonical texte67b1ff9e35e858c937061cd61ec741c276a07331d86216b1691d0fe57d234b5
Markdown6443daab193cca5017459add1f8cecf0a284f11500dd3d8f6ba53fdf1d444deb
PDF
Publication page849edb11110408fae6038b6d6b71c9fc452ec0e3ed5d5324f45db744532e9fe6
Manifestd938228e1b99a496355790eff7bb812980db8b75cade63b049b5943035fb1859

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
SignatureUxcWiuPOzAWLx9/tLur4sIa18Jk3u1QsOLWN2czsbRdmHL5+RYeYKK4ecg+ugnAQ6e+Cb6Ekc9eBYjGD73eyAA==
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

2026-09-17T11:28:42.602613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035407
observed 849edb11110408fae6038b6d6b71c9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.584013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035407/manifest.json
observed d938228e1b99a496355790eff7bb8129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.567047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035407/publication.md
observed 6443daab193cca5017459add1f8cecf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.549264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035407/publication.txt
observed e67b1ff9e35e858c937061cd61ec741c...
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.