OpenTechnical

OT-2026-000077533

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two 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-2026-000077533) never changes.

Identity and time

Publication numberOT-2026-000077533 · never reused
Internal UUID01a0ae94-f50a-7d2d-9ae7-0100163bc855 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077533
StatusPUBLIC

Content hashes

Canonical textf0da5883346be700056f4377d803d5b3d21ca911c1890971f905f88692bbfb07
Markdown2d36136143bd79b048a189edb2a9854557bbf764c6c4b4295bb9d771c2772e6c
PDF
Publication page17a4d08d5a1f909f0f90157511541db889508a44164798ae77da73b098b3497d
Manifest7e1c648be4f474d8a8af001b016cd87823c93641b78c8ef065a29a30a5352c3d

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
Signature16rcvGLnqAkYvuIE6yxC7g7FV8aufG62JYvzzO6emACqAE3BKsq0iFH36pXEt5TclU9AXCmFnAiFqXknFd+ZCQ==
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

2026-09-17T10:09:13.562209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077533
observed 17a4d08d5a1f909f0f90157511541db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.543316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077533/manifest.json
observed 7e1c648be4f474d8a8af001b016cd878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.525001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077533/publication.md
observed 2d36136143bd79b048a189edb2a98545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.505718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077533/publication.txt
observed f0da5883346be700056f4377d803d5b3...
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.