OpenTechnical

OT-2026-000072162

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000072162) never changes.

Identity and time

Publication numberOT-2026-000072162 · never reused
Internal UUID01a0ae92-47c2-7e38-afeb-a357997a69bf · 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-2026-000072162
StatusPUBLIC

Content hashes

Canonical texta88bf582b5d8c2d75d66a9997fde8eaf17be085cbbab9fdb371f57b04c152081
Markdown6ad9550c45cf837bc8329267887c141a0ca68dadcf3fa60d9a7000da8db4dbc6
PDF
Publication pagef58ebee8585f8992cd20b6d0950c41e929ba7e9babd0ab04fc2c80b5e093b5e8
Manifesta4fc8c37f10dce218f29831a376b4341bac3c3760d31ac144bf757228c9de4d4

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
Signature0coTq+vh3ShbvdhzXkNZ95BNEJHKsjjUGDRVvE2xTTx1tHklVeFOFqtwAvymYBPBs7wbfOpAp8ksTh2eTSn1AA==
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

2026-09-17T10:23:13.593572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072162
observed f58ebee8585f8992cd20b6d0950c41e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.576050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072162/manifest.json
observed a4fc8c37f10dce218f29831a376b4341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.559669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072162/publication.md
observed 6ad9550c45cf837bc8329267887c141a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.543143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072162/publication.txt
observed a88bf582b5d8c2d75d66a9997fde8eaf...
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.