OpenTechnical

OT-2026-000032177

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000032177) never changes.

Identity and time

Publication numberOT-2026-000032177 · never reused
Internal UUID01a0ae74-f7a6-7f8b-ae40-00aefa8cbdb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032177
StatusPUBLIC

Content hashes

Canonical text2628bcb86eb04fa244020ded6b61b8a3eb59d6952073b781ac89f32e1ffbbb67
Markdownea227e93b861d55409eb82124aa9917368901947c5e25b3c7e729ac3a090717d
PDF
Publication page028835f758443ab9e6c216a4cc04953b46c8d61084fa5a7eac6b0c9c2cf6d030
Manifestb2bacae29f0b67d81f8a0ac15c2ef41810dcf4dfea52070f9cbe258251a2199d

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
SignaturestBkR8mTDqLoq0JB31YoUxufAS16Gqf6p0et2Z4YWpCcYsXY8W++q5XGcxRATh+RQ6okdBbueE/+MBSH1fqqCA==
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

2026-09-17T11:34:30.793160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032177
observed 028835f758443ab9e6c216a4cc04953b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.772433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032177/manifest.json
observed b2bacae29f0b67d81f8a0ac15c2ef418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.741685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032177/publication.md
observed ea227e93b861d55409eb82124aa99173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.721428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032177/publication.txt
observed 2628bcb86eb04fa244020ded6b61b8a3...
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.