OpenTechnical

OT-2026-000104232

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000104232) never changes.

Identity and time

Publication numberOT-2026-000104232 · never reused
Internal UUID01a0aea5-3420-7f6a-93da-0835a83bd5cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104232
StatusPUBLIC

Content hashes

Canonical textf24e7180e8aeccb78761014226dbc36aba40b54605573bb18276425f0ae5a21f
Markdown3a7472f51ca1a563534a0cdf4103e69863d15fbdbcff8f89884d4c32e88f4de8
PDF
Publication page056cfd821f13e2dc8b3b59b6e34be8b653664a8a727864efa5ff139583029550
Manifestc112bbb47039ed929ca54dd7b3cd2dfc9b4693e02f9c74d2d22041ea54074d9e

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
Signature4m9uJ7j/ycwseCKCedWkFnnagJ+yc/NZQiZDpC/IAyRwDf8X+38Jvfxet6VNdLlSuGlCV0LiRc4TbX3WwO0BCA==
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

2026-09-17T09:20:20.347506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104232
observed 056cfd821f13e2dc8b3b59b6e34be8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.328282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104232/manifest.json
observed c112bbb47039ed929ca54dd7b3cd2dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.310462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104232/publication.md
observed 3a7472f51ca1a563534a0cdf4103e698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.292648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104232/publication.txt
observed f24e7180e8aeccb78761014226dbc36a...
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.