OpenTechnical

OT-2026-000089697

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089697) never changes.

Identity and time

Publication numberOT-2026-000089697 · never reused
Internal UUID01a0ae9c-1a22-7fa9-92b7-37aff92f6c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089697
StatusPUBLIC

Content hashes

Canonical text470fb69311ae83d4c66f797f175aeaa8fc93a3635698034237f9155696d17e15
Markdown58f458199558f2c2eb60e1b8992da122a89985a9ba3978b36880dc8fa331d5c5
PDF
Publication paged2a3d95ed67f98cc8ebd0318f6d0566c1d33bd9a546ca5397b71f72a4ca77291
Manifestf92498e1bc388d8578fa247dec29ad9943fcd0eed2fee50bb8c707ea8763e417

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
Signature5gaR0AHHvFw8jPwWlhqVd9Z2C7ghpU7WpX88HxyzCXfYUVQkxMXZgGcRmbp/3A03mXEYQQx+dlpJcT1cbEqGBg==
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

2026-09-17T09:46:24.810323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089697
observed d2a3d95ed67f98cc8ebd0318f6d0566c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.794112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089697/manifest.json
observed f92498e1bc388d8578fa247dec29ad99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.775381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089697/publication.md
observed 58f458199558f2c2eb60e1b8992da122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.747319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089697/publication.txt
observed 470fb69311ae83d4c66f797f175aeaa8...
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.