OpenTechnical

OT-2026-000072089

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000072089) never changes.

Identity and time

Publication numberOT-2026-000072089 · never reused
Internal UUID01a0ae92-47c1-7831-bb70-35072e357534 · 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-2026-000072089
StatusPUBLIC

Content hashes

Canonical text3a8385a0af52a290033094bebb10a44c4b99dc653b64ba8e741ded2b214480ac
Markdown784ffba5d58a5dea659ea74ad3a4e7f548758f9c7b9a1707d6a721e33b14679e
PDF
Publication page9b189fb9612952e6a5dce8d175ac46d160438b4acefd3722a02c4e2bf5c04bb4
Manifest67da5507bfbb70b2cb0a9abb05c6df0190bbb292fa637da1317e423166e255fb

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
Signatureck/+cs+6MCh+EwFwi40H6jODJVlrhSed/IWv4fO+PrKQ4/yOIKGBe1Av0NawmvfSak6IuViLDuVzAEGxXEKcCQ==
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

2026-09-17T10:23:10.129421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072089
observed 9b189fb9612952e6a5dce8d175ac46d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.113104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072089/manifest.json
observed 67da5507bfbb70b2cb0a9abb05c6df01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.095884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072089/publication.md
observed 784ffba5d58a5dea659ea74ad3a4e7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.077524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072089/publication.txt
observed 3a8385a0af52a290033094bebb10a44c...
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.