OpenTechnical

OT-2026-000053327

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000053327) never changes.

Identity and time

Publication numberOT-2026-000053327 · never reused
Internal UUID01a0ae85-0a15-719a-9ed1-4ad3228192bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053327
StatusPUBLIC

Content hashes

Canonical text270fc49684857946090538e4efac68916dd168ab2b69d59eda83be9afbd7a49c
Markdown55495f596b5224d97f10fcef898c95493de26b5b752b516a89be274f5d0c151b
PDF
Publication page9b6ddaa124172b26b31581d295b78c2fae519bb730be68bfa52379cdada80894
Manifest72349fc4d65840b168fdbd16d3172cf77d9826a165db384a556f93edfd0da174

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
SignatureLFLkktth2ncbTeA6myE1n3Qb5uhRxd7NJKQ3KK6EYtmxg4VzArVRDVVFAi2tGLXO6SMiyTke6R1CqfFyJidYDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:01.733838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053327
observed 9b6ddaa124172b26b31581d295b78c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.713333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053327/manifest.json
observed 72349fc4d65840b168fdbd16d3172cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.690436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053327/publication.md
observed 55495f596b5224d97f10fcef898c9549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.666674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053327/publication.txt
observed 270fc49684857946090538e4efac6891...
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.