OpenTechnical

OT-2026-000089930

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000089930) never changes.

Identity and time

Publication numberOT-2026-000089930 · never reused
Internal UUID01a0ae9c-428d-7624-a6af-f27a6ee15985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089930
StatusPUBLIC

Content hashes

Canonical texte45c0b1a1108a9fe102601e9ab3ec13c5ed28b792fd3e13e6ff08bb5dbf68852
Markdownb615a930dc3013bcc960054f326f5a0c3e6f71982d09f9b08443a6db6f2c34dd
PDF
Publication page67b0b137e2385396ab31381deb299c3866205d84ccd151f594468521bcb59aa8
Manifeste7b4322f684b64f6ef47f6883f9df0f9552fc8a44848872d5a16f71a397ffce5

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
SignaturefCPo8hsKwnBx+fAPjBJSX4vSBvK2kelNtwSsApJmUm8qFULQRBCJyEODL7tO+/TW1FXM1PYMMgSEER7xJshYCw==
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

2026-09-17T09:45:12.513312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089930
observed 67b0b137e2385396ab31381deb299c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.493753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089930/manifest.json
observed e7b4322f684b64f6ef47f6883f9df0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.475744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089930/publication.md
observed b615a930dc3013bcc960054f326f5a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.456733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089930/publication.txt
observed e45c0b1a1108a9fe102601e9ab3ec13c...
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.