OpenTechnical

OT-2026-000022697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000022697) never changes.

Identity and time

Publication numberOT-2026-000022697 · never reused
Internal UUID01a0ae70-46e9-7cab-b22f-52f2d8391776 · 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-2026-000022697
StatusPUBLIC

Content hashes

Canonical text427665f3d61064eb5b8e65dda8a525d8dbddec5658c9a3096f9938c5bb8f2dae
Markdown3d1a411a34d0bae0846236bc0e9afe26c9651ad61719810792b6ede4feb4eac6
PDF
Publication paged20711106e35be413964bebcaaca1b43235e0e36b5b8b8261e6cdbcdb46305c8
Manifestc9776e67277f823e48d3857e4088512a2888d3de2902721db765f2a05083f7ff

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
SignatureSFNFmSIMGDOsmOWXiJku1jfFKy9Yl/H7gZQ6NMlcfrF4dVbHRR9rgex550PVURKi63H8PrmQxgJgg9B2hekhDg==
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

2026-09-17T11:52:05.361855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022697
observed d20711106e35be413964bebcaaca1b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.345678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022697/manifest.json
observed c9776e67277f823e48d3857e4088512a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.328001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022697/publication.md
observed 3d1a411a34d0bae0846236bc0e9afe26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.308977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022697/publication.txt
observed 427665f3d61064eb5b8e65dda8a525d8...
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.