OpenTechnical

OT-2026-000087398

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000087398) never changes.

Identity and time

Publication numberOT-2026-000087398 · never reused
Internal UUID01a0ae9a-cd50-779e-b14d-2c5a3372577a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087398
StatusPUBLIC

Content hashes

Canonical text07a2e753f4e080df6ffabe6fadfe642bad33c8839dd328ab7eb9c80b31e3ce72
Markdownef58422b335bc253240e6d5194cfcb66b8c2baecd58859f711e9a1e4bb3e66a2
PDF
Publication pagee3a645096ba27cb61b0715cada854b10178c57126c652afe105c224bb10b3045
Manifestf20360abdcc68b1fc4f7e81bedc8ae9af484da51419713ba252c4c9b465b61f0

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
SignatureXE/HgY/Vx13kjIX6fySVp+TSfYtjFHgZKFJGC1Lusjm4Z81FkbR7DyjVgDKATk0A+3dpFDZb/qNuCKsgEoxkBg==
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

2026-09-17T09:50:42.644244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087398
observed e3a645096ba27cb61b0715cada854b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.625033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087398/manifest.json
observed f20360abdcc68b1fc4f7e81bedc8ae9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.606877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087398/publication.md
observed ef58422b335bc253240e6d5194cfcb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.588585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087398/publication.txt
observed 07a2e753f4e080df6ffabe6fadfe642b...
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.