OpenTechnical

OT-2026-000022939

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000022939) never changes.

Identity and time

Publication numberOT-2026-000022939 · never reused
Internal UUID01a0ae70-46ec-73b8-9d64-556edac5994d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022939
StatusPUBLIC

Content hashes

Canonical text610419b67b85d422ca8583415d159639af826673189304f0b832e212498c32ed
Markdown39a47ad2238d75394e9a9e1bc182785664dd381544b7348920a1e07ebed623ea
PDF
Publication page8bafe6e8c38adb3ad3aae04b70d768e9a0e9ccec427c52ceb083746ca6043f1c
Manifest964d702b769e8a7b640a51838f48444335907252e9999b752e96ddf8985426eb

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
SignatureS11QqziwsGLnmxP2DPF0Vd19fzGAcI7SGf03LsgloRA7tBwIX6cvARt94qGTFv9ETOtZIHx3GBe4wY9nXsFADw==
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

2026-09-17T11:52:31.218235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022939
observed 8bafe6e8c38adb3ad3aae04b70d768e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.201706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022939/manifest.json
observed 964d702b769e8a7b640a51838f484443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.185328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022939/publication.md
observed 39a47ad2238d75394e9a9e1bc1827856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.169465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022939/publication.txt
observed 610419b67b85d422ca8583415d159639...
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.