OpenTechnical

OT-2026-000072339

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000072339) never changes.

Identity and time

Publication numberOT-2026-000072339 · never reused
Internal UUID01a0ae92-47c3-7701-9a68-8d44b6d071a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072339
StatusPUBLIC

Content hashes

Canonical textaf90a7c575bf0f9539f90986882d67c1a96d826f3dbb0a8ddf2f629457326173
Markdownf52f3113e03b61cb0340b01a6b1ed83d28c0bf4ecb193704a757a9263600907d
PDF
Publication page441e9a5250a00f810ac7267f18bd52690dd3923243be1dba37b5ccb98d2f6ac3
Manifesta5d6a8bce9fca0f30435607b6543dcc0eaf906bf8bb79110db72e0f9b858e5b0

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
Signatureu3AIyX3pw9zCvUOOuShdkDJ/jPX5lptPtS/bUy8XVBeZovc/W0WGSi0iePPN9HkVBQcX+GSyymN3fQeGX0ZICA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:34.249195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072339
observed 441e9a5250a00f810ac7267f18bd5269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.232800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072339/manifest.json
observed a5d6a8bce9fca0f30435607b6543dcc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.216383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072339/publication.md
observed f52f3113e03b61cb0340b01a6b1ed83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.196682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072339/publication.txt
observed af90a7c575bf0f9539f90986882d67c1...
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.