OpenTechnical

OT-2026-000091752

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091752) never changes.

Identity and time

Publication numberOT-2026-000091752 · never reused
Internal UUID01a0ae9d-43b9-7375-94a0-6a9157d44c54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091752
StatusPUBLIC

Content hashes

Canonical text5a0ec684856f382a4c3ad8f315850507d22cac0fe0926e3a080a89d348462ee6
Markdown8db9874f272059ea66f51f367e44b57e43803c8903d4b639d1f56c0a21d0029b
PDF
Publication pagee822511cbb253f919780d107ce91cb3b2bff21570539bf0bcf6c17dbe007ba12
Manifest7ce864880c7da61ea9c921d693d42351e3b835c6907245b0ed39a89835f8f5dc

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
SignatureyLHuhFGbXZXVpah9ALkQALOJylCRH4+A3F1Vvoj9fJ6WEfioDijgutcgO/kRsYgjCjtVefnkQHgx/syhrSsnAw==
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

2026-09-17T09:42:38.718675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091752
observed e822511cbb253f919780d107ce91cb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.702694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091752/manifest.json
observed 7ce864880c7da61ea9c921d693d42351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.686996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091752/publication.md
observed 8db9874f272059ea66f51f367e44b57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.668730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091752/publication.txt
observed 5a0ec684856f382a4c3ad8f315850507...
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.