OpenTechnical

OT-2026-000031663

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000031663) never changes.

Identity and time

Publication numberOT-2026-000031663 · never reused
Internal UUID01a0ae74-bad0-7ac1-9d67-015bce63da48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031663
StatusPUBLIC

Content hashes

Canonical text01bd123406a109840dc70216eb6cee35183bd0b379cf80a487ec7fffa9d88678
Markdowna3e471494b066d7434ca87efd926762efde3de4a0fc01c5b3b4f5a112e58003d
PDF
Publication pagece3a809d10ea13e359cfd9de726a1b33e114bb1f695283008aea271e310460de
Manifest6fea0077a873775abd9c3b628f6cb84d02f5b307b6bdc741015c604be36090dc

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
SignatureDh+o1q0CYc+1k6cPJduz3v3f+ccznyefg0157NnzX8pwdgpooA3AQAc0MlOaX9DzXFsMEEUT/yfVYI3Eg8JvBw==
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

2026-09-17T11:34:45.507649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031663
observed ce3a809d10ea13e359cfd9de726a1b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.489852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031663/manifest.json
observed 6fea0077a873775abd9c3b628f6cb84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.470896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031663/publication.md
observed a3e471494b066d7434ca87efd926762e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.451241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031663/publication.txt
observed 01bd123406a109840dc70216eb6cee35...
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.