OpenTechnical

OT-2026-000073406

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000073406) never changes.

Identity and time

Publication numberOT-2026-000073406 · never reused
Internal UUID01a0ae92-efb8-7ab4-b96d-a5c339635a69 · 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-2026-000073406
StatusPUBLIC

Content hashes

Canonical text93e32220505a4c7b0182f21e944c8d35293c9de543d40d99a4f90d1187ffa6ff
Markdown09a3ac50d1c3d72c23c3fa401304e70c375a974abe66a7bdf21446d115e6da18
PDF
Publication page060e22b01568cb3512a0592116be4666b461c716e86ff125a13817e466c2e56b
Manifest04be23e616576f32f0672158bfe5f138213d6f2115b57b3053a6c72354682fb1

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
SignatureDJ1aCNp64rcwYrVWMUliNnvfHNMERh56dy+c9/q0ryeKtFrZmIUcw6l4MHIcx3ncOyDSDABztGXrTG7Qaar5Dg==
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

2026-09-17T10:21:27.113444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073406
observed 060e22b01568cb3512a0592116be4666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.097468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073406/manifest.json
observed 04be23e616576f32f0672158bfe5f138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.079731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073406/publication.md
observed 09a3ac50d1c3d72c23c3fa401304e70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.061918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073406/publication.txt
observed 93e32220505a4c7b0182f21e944c8d35...
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.