OpenTechnical

OT-2026-000069104

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069104) never changes.

Identity and time

Publication numberOT-2026-000069104 · never reused
Internal UUID01a0ae90-6dce-7fc9-b307-15c7bba6ef21 · 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-2026-000069104
StatusPUBLIC

Content hashes

Canonical textb7a95e95a072d583e80763e134b5955c5a3c039b34119d9c9c34a0836eb774a4
Markdownd38a91bfaae7969d874f0167dedf9b48c27d69199ebc14dfcf2be005ec4c3648
PDF
Publication pagead79066743817fb1c755b71c057557b5a0cf7f63541cf3e0b8b0987e8201a93a
Manifestffdb9311ff4986358fb95202247cefb6ba0f32104a12db7b590fe02b7f93e62c

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
Signature4tQgIB0lhS7tXS7bKIrJ0FScDDuh0+6Rzx40V3nzlHHnyrXz+TWHZqfR4PxCzhNXMaRVcnxLbYRm+vBC1Pp4Cw==
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

2026-09-17T10:28:58.888798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069104
observed ad79066743817fb1c755b71c057557b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.871984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069104/manifest.json
observed ffdb9311ff4986358fb95202247cefb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.854624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069104/publication.md
observed d38a91bfaae7969d874f0167dedf9b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.836445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069104/publication.txt
observed b7a95e95a072d583e80763e134b5955c...
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.