OpenTechnical

OT-2026-000100059

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100059) never changes.

Identity and time

Publication numberOT-2026-000100059 · never reused
Internal UUID01a0aea3-1474-7cac-a1ab-1fe2b7f05566 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100059
StatusPUBLIC

Content hashes

Canonical text636c9d305ac0be17498586278d1ea2392b5cf995ebb1a9c4d0bed50bfcd8951d
Markdown226f9d24dea39c23f8dec975b7f1213e99f7a0ac305437fe9d28ad33e50b9186
PDF
Publication pagee2b1f8bd3b08a9ebd48302b847efa6576443ddd52da45045ffe9ad3281b396af
Manifest6a49816ed418bbbce464e0b2771fb2c2cff8a93e4fb83beac2d26bdd70366f5b

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
SignatureSAM3hjzTq/wbU4O52uAD8Ii3g5+04Hd1ig2pzc1fp6WKIouSZZ9tq4xjvlrRrQACxMeC5ILvj6n0EBsUYbRPAw==
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

2026-09-17T09:29:00.126550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100059
observed e2b1f8bd3b08a9ebd48302b847efa657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.108032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100059/manifest.json
observed 6a49816ed418bbbce464e0b2771fb2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.088528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100059/publication.md
observed 226f9d24dea39c23f8dec975b7f1213e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.069892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100059/publication.txt
observed 636c9d305ac0be17498586278d1ea239...
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.