OpenTechnical

OT-2026-000089699

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, 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-2026-000089699) never changes.

Identity and time

Publication numberOT-2026-000089699 · never reused
Internal UUID01a0ae9c-1a22-75ba-b206-1f82ea4e621b · 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-2026-000089699
StatusPUBLIC

Content hashes

Canonical text9e1339bcc11a75798ef36050356a69e64948569e4c4aeb47bab0c522d0a57e66
Markdownd373d03977c920a2fe4976a0e32e28cdd89d1996e6e1afdb61655fb14879801f
PDF
Publication page005252b73f486a4773184d36b172584d686d41bcea633ea5aeed686fc7305aeb
Manifestd1dd64e19cbfdb2f86e4a491b1b9623f176161230918f526883cec0585e50a16

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
SignaturekQA6ByCysyDv9GB2q9/3lbJq2Bgbl4ODSfbMXzlQa1gwOC7OAdK29PlR33rAmWRkBT4vabYQpvSyhvlA2D5FCQ==
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

2026-09-17T09:46:41.957494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089699
observed 005252b73f486a4773184d36b172584d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.938759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089699/manifest.json
observed d1dd64e19cbfdb2f86e4a491b1b9623f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.922029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089699/publication.md
observed d373d03977c920a2fe4976a0e32e28cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.904336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089699/publication.txt
observed 9e1339bcc11a75798ef36050356a69e6...
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.