OpenTechnical

OT-2026-000088140

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088140) never changes.

Identity and time

Publication numberOT-2026-000088140 · never reused
Internal UUID01a0ae9b-1aa8-7e97-92aa-b469830885ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088140
StatusPUBLIC

Content hashes

Canonical text562f438085b25e20d476cb489ff06cef4909082703bc85fdb8ba3476401b329a
Markdown2ce78db3e04140e0a5064c465805b9b6e95e79d81605b4831d7e0091a070cc8e
PDF
Publication page85eb7c6a332f8f301dde02fc95e2dac60c650e5d890099c988994cc26aeec6cf
Manifest17351ae57d9cc9f17b360102a919908f37a53ea1a92b57c17f93d4b4712d7bb1

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
SignaturelLNNyda9C8yvK6ZBiaopmNdoWD8fx6rCZ6rUbU2uoWLDQt7SHRV/OHEmxw/eSLpvEOpBbStsTiRrzWKAYKTtDQ==
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

2026-09-17T09:50:10.509326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088140
observed 85eb7c6a332f8f301dde02fc95e2dac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.483366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088140/manifest.json
observed 17351ae57d9cc9f17b360102a919908f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.458364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088140/publication.md
observed 2ce78db3e04140e0a5064c465805b9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.436421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088140/publication.txt
observed 562f438085b25e20d476cb489ff06cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.765708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088140
observed 85eb7c6a332f8f301dde02fc95e2dac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.746510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088140/manifest.json
observed 17351ae57d9cc9f17b360102a919908f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.730966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088140/publication.md
observed 2ce78db3e04140e0a5064c465805b9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.714432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088140/publication.txt
observed 562f438085b25e20d476cb489ff06cef...
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.