OpenTechnical

OT-2026-000083968

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000083968) never changes.

Identity and time

Publication numberOT-2026-000083968 · never reused
Internal UUID01a0ae98-0419-7fc8-9da0-c82676fedbc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083968
StatusPUBLIC

Content hashes

Canonical texta909e7e58ce686975302f704be938610cf0ecbdd1a6cb6b25ae6e0b6d32873d6
Markdownd3ba39bb7c9cb114ff43f999e619d7dc8d26ad70c443a36e421d85ec648a07e8
PDF
Publication pagee1197da358b12dbc9895d82fb2b635c64e2e330e3e81a1957d03719861368398
Manifest2f84c9e2cfe40bbf53dc56955be563f8d06d23bdafdeeaf087b1e0ef3b1d785f

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
SignatureoB3YPtKsid8hpxVaeysi98ngh8FPGjm5Ap/4kRIjnmZqP85p9NPN/O/rreBZAYoiBOFgEBC3ngFOc3gthiZGBQ==
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

2026-09-17T10:00:29.252528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083968
observed e1197da358b12dbc9895d82fb2b635c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:29.234275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083968/manifest.json
observed 2f84c9e2cfe40bbf53dc56955be563f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:29.213838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083968/publication.md
observed d3ba39bb7c9cb114ff43f999e619d7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:29.192496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083968/publication.txt
observed a909e7e58ce686975302f704be938610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.239106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083968
observed e1197da358b12dbc9895d82fb2b635c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.222287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083968/manifest.json
observed 2f84c9e2cfe40bbf53dc56955be563f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.206024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083968/publication.md
observed d3ba39bb7c9cb114ff43f999e619d7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.189539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083968/publication.txt
observed a909e7e58ce686975302f704be938610...
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.