OpenTechnical

OT-2026-000044122

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000044122) never changes.

Identity and time

Publication numberOT-2026-000044122 · never reused
Internal UUID01a0ae7b-d67a-77c2-922c-b17b76c85eb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044122
StatusPUBLIC

Content hashes

Canonical text674e861e4bf82e3a0098ba3ee327f246e7e68dd7b288e245594f60b5921e91c2
Markdown929a6e6bcabaa7c0666194434f6010c658f95e71594dda4f2dadca0dd2f7347e
PDF
Publication pageacc25ab190eadf13903903f84b59d444e5a666ed59ef56e6c1e771555df3df23
Manifestbc4058e9875e935170c6c1fb38fdbf3065b8009c0697b5608ae37edb6e9078f2

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
SignatureavExMxaSl2CxWv3My8fzlvXsRPMuHmM8thvfG6cwS+gGeyNWPMsoPCDUwixoGVlt5LRHImgRquuv5GSUZYG+Aw==
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

2026-09-17T11:12:32.295783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044122
observed acc25ab190eadf13903903f84b59d444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.276289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044122/manifest.json
observed bc4058e9875e935170c6c1fb38fdbf30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.258789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044122/publication.md
observed 929a6e6bcabaa7c0666194434f6010c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.239817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044122/publication.txt
observed 674e861e4bf82e3a0098ba3ee327f246...
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.