OpenTechnical

OT-2026-000067687

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000067687) never changes.

Identity and time

Publication numberOT-2026-000067687 · never reused
Internal UUID01a0ae8f-6bdb-7289-af1f-c3c3df95a175 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067687
StatusPUBLIC

Content hashes

Canonical text9d0a4b66ca54ab7db4d028997ab36d3c9d49e94c37b06e1edba5a54d0751388c
Markdownaca192f7eaebb12c57de18a23a239a44d7d82299768f5211f4b76def67cf0f94
PDF
Publication pageed06503fbadfbc4897d8ba2489f107757fd820364eb01242bd162c4a1890d7c5
Manifest95fe4d1a6f8eec989663e4dfea30d9008ddba2d69c36ab7bf8b67d8178fcb1b8

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
SignatureQ1Cg/IrdLnv/cTkyYyKEoRpwJ/ZopK+zmbltG2a4OC8u3n3wFs3hj503tEBHQCMZsF/6paAZqIYdx4zPjPP4BA==
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

2026-09-17T10:32:01.598451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067687
observed ed06503fbadfbc4897d8ba2489f10775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.580319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067687/manifest.json
observed 95fe4d1a6f8eec989663e4dfea30d900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.562244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067687/publication.md
observed aca192f7eaebb12c57de18a23a239a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.541505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067687/publication.txt
observed 9d0a4b66ca54ab7db4d028997ab36d3c...
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.