OpenTechnical

OT-2026-000069033

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069033) never changes.

Identity and time

Publication numberOT-2026-000069033 · never reused
Internal UUID01a0ae90-6dce-7dd3-99fd-6ef866592f90 · 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-2026-000069033
StatusPUBLIC

Content hashes

Canonical text0d619c21935ce2ed7fe790545f3ac154cc754f3fcb46ee3104dfa8c347249e48
Markdown7a81874ca0b59eaf401a93359cb899b60de989adb48586fd0cce0278715bf22d
PDF
Publication page1017c7a7c84f74696516c256b58c3ec826bbee198d31a8282b3770f5902a701a
Manifestcd117d23feb645c743fdf73484a8250f363a2b620b622148c7840a83846cdaa9

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
Signature7cktZExOIK1SQWUUnAr38Jmxrf4v5p0khpPrmBGJUaNqjoiKtmDbUxmD17Tadm1v/1tUH289D6Jv0EXyfMSECQ==
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

2026-09-17T10:28:53.392744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069033
observed 1017c7a7c84f74696516c256b58c3ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.374828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069033/manifest.json
observed cd117d23feb645c743fdf73484a8250f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.341564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069033/publication.md
observed 7a81874ca0b59eaf401a93359cb899b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.307463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069033/publication.txt
observed 0d619c21935ce2ed7fe790545f3ac154...
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.