OpenTechnical

OT-2026-000069168

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000069168) never changes.

Identity and time

Publication numberOT-2026-000069168 · never reused
Internal UUID01a0ae90-6dcf-702b-9ed0-d08e40c32585 · 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-2026-000069168
StatusPUBLIC

Content hashes

Canonical text6daf65e231dc77240a0c09a3430d1998d00f2f32fc50b33fa388f92a934af4e0
Markdown3c668ca1fe5521612830f8bcc030c10051930ccc796a0df1590b0a24fb92f750
PDF
Publication page6ec0401874eda9d3c2d817934efe3ad55ef6dee12cd886e9ae018ea0fe5e9f90
Manifest31f93eee3089ca359968a6423dd283783b9213497ca9b6b9601d515166b17fbe

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
SignaturerY0n6PJwS2W0wAywagb9IZ7Ql9Sz5Ne8tzXy3d27KH4CZHJPbgBJdZABfM+lUcezozEQ5EzqUQF26cSHINEnAQ==
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

2026-09-17T10:29:03.417544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069168
observed 6ec0401874eda9d3c2d817934efe3ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.401859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069168/manifest.json
observed 31f93eee3089ca359968a6423dd28378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.379186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069168/publication.md
observed 3c668ca1fe5521612830f8bcc030c100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.354169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069168/publication.txt
observed 6daf65e231dc77240a0c09a3430d1998...
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.