OpenTechnical

OT-2026-000099428

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold 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-2026-000099428) never changes.

Identity and time

Publication numberOT-2026-000099428 · never reused
Internal UUID01a0aea2-c973-749b-8c2a-ed90f581a81c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099428
StatusPUBLIC

Content hashes

Canonical textfc95b05846d2058db45ee0598a71776c13f85df285861b7309886c9a26dac899
Markdown0da47e501da4b2a702d2d01070b8ce845bacad86048bf935f93b05422b8319fd
PDF
Publication page737896f3318cf4d6cb93432d7a7a221b9635f4993e7297a12d79df1596b46382
Manifest185da84f59665dd5f53b615a604c342d3d4c78edb9b258f4cc028f362aa690bf

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
Signature9jkt6YO2WLBgqswisoTtg6wGHE5Qd3ZX+mN+vtN0pjtOC1Hitr+MTcsNOLLR72sRtbd8LojoGP+q3JWx2VWMDw==
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

2026-09-17T09:29:12.079431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099428
observed 737896f3318cf4d6cb93432d7a7a221b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:12.059619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099428/manifest.json
observed 185da84f59665dd5f53b615a604c342d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:12.040844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099428/publication.md
observed 0da47e501da4b2a702d2d01070b8ce84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:12.022369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099428/publication.txt
observed fc95b05846d2058db45ee0598a71776c...
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.