OpenTechnical

OT-2026-000073230

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073230) never changes.

Identity and time

Publication numberOT-2026-000073230 · never reused
Internal UUID01a0ae92-efb6-79fa-9102-c201dc4bb8da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073230
StatusPUBLIC

Content hashes

Canonical textf8b67f7e9771fa13d61bb67491508de7423664a91275b2675ec6caf61d10f2d4
Markdown030ca61ee0ac4b5cb88ee5cac73a7435001047005e562c647f66994523ef03b4
PDF
Publication page5c9a5e8606504f7ef99e6ea17933ae08a6d42339236d7343de282ace9952f87a
Manifest3e81318b346d0f780fbf9fc7d319a8416dee943982da8f1dc351e50a83701be2

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
SignaturemgRbZwq818/niO9JcCxYt8qH3r8nzJMF6PAQYMJg1iP6jOgHAXjbS9xqk+o54ZT9NbQUYQqWbAZK5Nzdvy9BDg==
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

2026-09-17T10:21:12.739824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073230
observed 5c9a5e8606504f7ef99e6ea17933ae08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.719447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073230/manifest.json
observed 3e81318b346d0f780fbf9fc7d319a841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.700052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073230/publication.md
observed 030ca61ee0ac4b5cb88ee5cac73a7435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.676615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073230/publication.txt
observed f8b67f7e9771fa13d61bb67491508de7...
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.