OpenTechnical

OT-2026-000083857

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000083857) never changes.

Identity and time

Publication numberOT-2026-000083857 · never reused
Internal UUID01a0ae98-0418-7194-8f27-3752ef7767df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083857
StatusPUBLIC

Content hashes

Canonical text998910b39a9eecabd390baabdea9c4b8d1e7b3108f7542a1b9b930d6adc30165
Markdowne0a85b25d619b1739effabf3fa236f0b57a51b0e478a3a37950cff0356368133
PDF
Publication page83381419f9389f5bd9d21282c77a9b4be732e9726a6992c6694d20785960e09f
Manifeste20734530177dd4f46c6171e3eb94d668f6d2285065c403093b5496d3d937ece

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
SignaturegbUDPuJ6fCpjhEVZpMF1NwhySmk/j6Hd0ng4CENG9DeEE8KNbLS8gJUxnZ2sYohuOUV/HA9LajDRaHVaLVm4CQ==
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

2026-09-17T10:00:09.348601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083857
observed 83381419f9389f5bd9d21282c77a9b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.308018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083857/manifest.json
observed e20734530177dd4f46c6171e3eb94d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.275125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083857/publication.md
observed e0a85b25d619b1739effabf3fa236f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.246263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083857/publication.txt
observed 998910b39a9eecabd390baabdea9c4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.042457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083857
observed 83381419f9389f5bd9d21282c77a9b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.025875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083857/manifest.json
observed e20734530177dd4f46c6171e3eb94d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.010238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083857/publication.md
observed e0a85b25d619b1739effabf3fa236f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.993988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083857/publication.txt
observed 998910b39a9eecabd390baabdea9c4b8...
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.