OpenTechnical

OT-2026-000104532

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pulsed 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-2026-000104532) never changes.

Identity and time

Publication numberOT-2026-000104532 · never reused
Internal UUID01a0aea7-239f-7693-a531-65c8dcca3f5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104532
StatusPUBLIC

Content hashes

Canonical texte11550f301270c5aae7e7c7f2ae70b975ddd426dda8c7bafc33150f3d6e8e62d
Markdown91562933a4432a23f42dfb5db07cfc10fd59d0aa8efb2d0ce53984311acfab11
PDF
Publication page815ef2157df8866c50dce3c850f4a8e383e0ea62a02e49304601945c62559353
Manifest7893f7c844650865595cbd001888cc78ab9ea1c2823dfc1fb4862db85ed7f255

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
SignaturesA3nf3YbHBNj2EojWLqXRnsKO+24PWeFOMib526ALWwvaar2D2GJjc5RT5veHQ5U069U9u5Z4PMNJcoyaPi/AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:02.969592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104532
observed 815ef2157df8866c50dce3c850f4a8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.949858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104532/manifest.json
observed 7893f7c844650865595cbd001888cc78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.925796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104532/publication.md
observed 91562933a4432a23f42dfb5db07cfc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.907408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104532/publication.txt
observed e11550f301270c5aae7e7c7f2ae70b97...
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.