OpenTechnical

OT-2026-000031311

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000031311) never changes.

Identity and time

Publication numberOT-2026-000031311 · never reused
Internal UUID01a0ae74-87ac-7a1b-8b4f-6714149491d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031311
StatusPUBLIC

Content hashes

Canonical text848311a47c675e0370c964b8899ac3d37d5507d89808408be3c9994dca5f67d1
Markdown4dac59bf51baca05c17fa16980e162b62963931168fc8a76d98ad57ec9444218
PDF
Publication page1902cf30df35e49b39cb5a877da7cc08afab45af04a5274300ac2a0cb31ef833
Manifestb8776cd98433f7e3bd2ed2d1b813dd43f17ed148f2f783c721ea16f8b33dcdf4

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
SignatureU+EKECpYpY7XLXxsg5t8KFdVyUbbRKazbwPdt7mi+EbhYkL0A37upDmmQm0JVVlj5AF5MftnVG+a5aM/jw9NCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:54.136862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031311
observed 1902cf30df35e49b39cb5a877da7cc08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:54.118380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031311/manifest.json
observed b8776cd98433f7e3bd2ed2d1b813dd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:54.101026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031311/publication.md
observed 4dac59bf51baca05c17fa16980e162b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:54.084151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031311/publication.txt
observed 848311a47c675e0370c964b8899ac3d3...
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.