OpenTechnical

OT-2026-000040254

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040254) never changes.

Identity and time

Publication numberOT-2026-000040254 · never reused
Internal UUID01a0ae79-2700-7ab1-8fd2-066f5b488b94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040254
StatusPUBLIC

Content hashes

Canonical text7f61d34f23093a8e18d38e73eb4c41ab0d061e737cd08c3b69136cf5565fd068
Markdownfbeec886777d409766790e0bb67fec61cda4b0abf725ec8a682e39d82fe3e488
PDF
Publication page1a02067afe7fda6260ea96fafdd85f55c290ecaf4a882896163505834069a1a6
Manifest67ceb7ed55bb16b28f870a60c50fea48a69265bd8b1a1c7f46243a8a0aeb19e5

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
SignatureuVBiCljj6Lb4kOvgktn8MuLyHKTeriryp/dMVM4ju1yAMzqyW5cA5gyeF7auGJQM0P70k1evhWgm60ExQv+JDQ==
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

2026-09-17T11:19:09.121356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040254
observed 1a02067afe7fda6260ea96fafdd85f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.101997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040254/manifest.json
observed 67ceb7ed55bb16b28f870a60c50fea48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:09.005613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040254/publication.md
observed fbeec886777d409766790e0bb67fec61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.988187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040254/publication.txt
observed 7f61d34f23093a8e18d38e73eb4c41ab...
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.