OpenTechnical

OT-2026-000078255

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000078255) never changes.

Identity and time

Publication numberOT-2026-000078255 · never reused
Internal UUID01a0ae95-7c27-7941-9948-dccfa885e1f1 · 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-2026-000078255
StatusPUBLIC

Content hashes

Canonical text3b9c2fabaa72f2211897611e5c7a17708bf2eb96a602b73bd8b704b52ca443f1
Markdowne5cbc0ef4782b1bec6c6d5eaa33424473d48136f99fa954b5037e498b2573213
PDF
Publication pagebed17a2a3c0334da106e334ff3f8eb829ea3fdb9e73f141e84171a0a2251b852
Manifestb82c4eba757fe3cf2369f05b24438a5076a9ab4c59b6469042840056db08aa34

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
Signatureuzi0aXFGJ6y0fNxeii5XaY44+PgI0M4Anc4ONJL22GFD5Z8uH+nTWHr1XH5OcY5XhEbrJBAc7j3VXS0mOXlfBw==
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

2026-09-17T10:06:12.887874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078255
observed bed17a2a3c0334da106e334ff3f8eb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.870951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078255/manifest.json
observed b82c4eba757fe3cf2369f05b24438a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.853638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078255/publication.md
observed e5cbc0ef4782b1bec6c6d5eaa3342447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.833480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078255/publication.txt
observed 3b9c2fabaa72f2211897611e5c7a1770...
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.