OpenTechnical

OT-2026-000078141

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078141) never changes.

Identity and time

Publication numberOT-2026-000078141 · never reused
Internal UUID01a0ae95-6e8c-702f-a79a-5a393ef67a5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078141
StatusPUBLIC

Content hashes

Canonical textb269b3819c198196c5d404fb542cc2d6def2b7016ecc0d15156799e16b49f9cc
Markdown2f105fded52cbf0adfed83a484be18ffedfd5705ccddcc4a6b5b1361a63a5a38
PDF
Publication page4d3f504c3ec163c3fb819750a671cf8fe806bf3fcce3f0607b37d51c84f4b059
Manifest50f0eb990af6f6986cacbcbeb2967b905d477f7fd6f7a6b5e93a3fc8ab11542b

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
SignaturepEMYmDnNIxDvflltP0+nsZtJv7DlJirGoaaH5f9oXYk7ytSBRpOIw/5OijGTdeN18jUuNZozfto1EjsZCILsAw==
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

2026-09-17T10:06:51.225213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078141
observed 4d3f504c3ec163c3fb819750a671cf8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.206271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078141/manifest.json
observed 50f0eb990af6f6986cacbcbeb2967b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.184101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078141/publication.md
observed 2f105fded52cbf0adfed83a484be18ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.165864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078141/publication.txt
observed b269b3819c198196c5d404fb542cc2d6...
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.