OpenTechnical

OT-2026-000078537

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078537) never changes.

Identity and time

Publication numberOT-2026-000078537 · never reused
Internal UUID01a0ae95-7c29-735b-af74-ce7211348de5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078537
StatusPUBLIC

Content hashes

Canonical text82dace68b244fbdfb05abc139a33f8bdffd6606dbd56030cc425173f01ebcad3
Markdown2918c26106043cfd42f6c4a98d76bdf65303c1f754519a0be8d8b8e9669dc94b
PDF
Publication page51bc129df8a934d9b00b3d837e962104b804b34d7aca81e81ea977b25b9bb8f4
Manifest71bd07d54e73ab1ba73fa2b960caebd46f81eb60e90472af6e446dcced1be2bf

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
SignaturecCoYJSjZKzS24NDNL1VwFuRFjkRj1nzAhPJRde/vxE6Hhwq5TOCVA0QVhXE4aKc4EAcJr2uqlvRtUVZKO6oKDg==
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

2026-09-17T10:06:33.456329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078537
observed 51bc129df8a934d9b00b3d837e962104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.438070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078537/manifest.json
observed 71bd07d54e73ab1ba73fa2b960caebd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.417641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078537/publication.md
observed 2918c26106043cfd42f6c4a98d76bdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.400303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078537/publication.txt
observed 82dace68b244fbdfb05abc139a33f8bd...
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.