OpenTechnical

OT-2026-000032198

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000032198) never changes.

Identity and time

Publication numberOT-2026-000032198 · never reused
Internal UUID01a0ae74-f7a6-7208-a0ee-b19b316f3486 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032198
StatusPUBLIC

Content hashes

Canonical text7d34189db92f58d6a07b4f8c7f3190cc35a0b44e7441c47bab5fc0c03dd67c1f
Markdownd9df2bc76c6490d3c40872b6f1cefa6ee1453bd6db384863d120539ca243952d
PDF
Publication page464ab2483a08311d80b9b976d70575bed5f4f3451901f5d1d5edb5dc532f199c
Manifestc72d427086b4783005b83b03f156614543c01952b90a26e60d01d3ebd04958d0

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
SignatureVOHesGazmXFCvSUQd1tGRT2fAzH6+JoLIh6mYDtOWCFXX60KpVD/+nWN3zEstn9khM1tGw/XHdekvE++tCKLAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:32.572870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032198
observed 464ab2483a08311d80b9b976d70575be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.555310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032198/manifest.json
observed c72d427086b4783005b83b03f1566145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.537611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032198/publication.md
observed d9df2bc76c6490d3c40872b6f1cefa6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.518996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032198/publication.txt
observed 7d34189db92f58d6a07b4f8c7f3190cc...
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.