OpenTechnical

OT-2026-000087582

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087582) never changes.

Identity and time

Publication numberOT-2026-000087582 · never reused
Internal UUID01a0ae9a-cd52-7426-b9e6-35d7caf54fac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087582
StatusPUBLIC

Content hashes

Canonical textf38408aa7096227cb922a0d9825e7bdf4d867087e136d4f24980577ff278a5bd
Markdownbe1dc7525028eb94e03492af096e5125cc544a3a37415bf64cd08239587a4203
PDF
Publication page718a970ccc65feac22c5cf06df53d0378b12fa20d3205f17fa6ed6409828cfcd
Manifestaa67e152effc4cfa0dfd5e88d2f9dfe76ed6066bd2fd0facfe2843f21e5b22aa

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
Signatures1HiPPeDsT+Bf/H9vnIW4j4yavU0Lfhs8XhhifgoiEK8M0eZx/qFX5YX6zjim173R01KUQwmbMS97XAMmZI5CA==
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

2026-09-17T09:50:55.773215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087582
observed 718a970ccc65feac22c5cf06df53d037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.756799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087582/manifest.json
observed aa67e152effc4cfa0dfd5e88d2f9dfe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.741569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087582/publication.md
observed be1dc7525028eb94e03492af096e5125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.726549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087582/publication.txt
observed f38408aa7096227cb922a0d9825e7bdf...
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.