OpenTechnical

OT-2026-000097072

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000097072) never changes.

Identity and time

Publication numberOT-2026-000097072 · never reused
Internal UUID01a0aea1-01c9-749b-9e9f-a934c58f73d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097072
StatusPUBLIC

Content hashes

Canonical textb2391c0aeb5cf5b6469dc208df3cb4f913975b2638c17e772efcd80f867cf91e
Markdowncdafb618c55d54c6b4a80158d9a3d7ec044d9da18ece7f883f9b179b5fbdbe60
PDF
Publication paged2cd2ac5c3973e625abfc8c584e7edc524974f304ad50297828f2972084028f4
Manifesta9fdaf433a83509d1d046a49916d34b957fe6d4c403372dfefc1b261f03195dc

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
SignaturesCyEfD2EcQASKMmmMHeguAVuw5Qg99FRfAw0XjJk0fmzc8K746HnOGATG9kBfr3NYDjs5LnAulzNpDm5wsA+DQ==
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

2026-09-17T09:10:39.093450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097072
observed d2cd2ac5c3973e625abfc8c584e7edc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:38.949231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097072/manifest.json
observed a9fdaf433a83509d1d046a49916d34b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:38.927589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097072/publication.md
observed cdafb618c55d54c6b4a80158d9a3d7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:38.906731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097072/publication.txt
observed b2391c0aeb5cf5b6469dc208df3cb4f9...
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.