OpenTechnical

OT-2026-000068794

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000068794) never changes.

Identity and time

Publication numberOT-2026-000068794 · never reused
Internal UUID01a0ae90-6dcb-7211-8166-93650fe8acfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068794
StatusPUBLIC

Content hashes

Canonical textdec2f6855064e574f1022d305deef205f3e4621f685a64dd365281cd87c5ced1
Markdown6b21d2ba4b1236bf3059b2e8a70946791b8293a1c87771490258aa2245c509b4
PDF
Publication page21e27e98b106182c72ed1017a9771e730a2431993dff3f22468207393348a2b2
Manifestc740b50c956d07e7184d5093b751a844e1dc77f5acee276b9981beab371ad669

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
SignatureiRsSlp5S850eEHsSNzAQwB2cPSwyO+M6Lj7U4C5yfF+0ZVRvVCdm7CVPQRt3pNqZQebduXff4jAUwDQZrZwgAQ==
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

2026-09-17T10:28:35.650697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068794
observed 21e27e98b106182c72ed1017a9771e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.633816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068794/manifest.json
observed c740b50c956d07e7184d5093b751a844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.616049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068794/publication.md
observed 6b21d2ba4b1236bf3059b2e8a7094679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.598649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068794/publication.txt
observed dec2f6855064e574f1022d305deef205...
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.