OpenTechnical

OT-2026-000069194

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000069194) never changes.

Identity and time

Publication numberOT-2026-000069194 · never reused
Internal UUID01a0ae90-6dcf-7f72-80ce-439b46cdef17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069194
StatusPUBLIC

Content hashes

Canonical text78db7fa4c7039c97c746ff3e2d5a922c66b8473cbf12442074da02660d1173ef
Markdowna43fc6293aaf41a9ad92a264efc257652d911750a52b4b9095b6c28818d6bb64
PDF
Publication pagee04145847a5249e7f4ecd60731433bc429e0d074dde9352e12a71825cebb038c
Manifestbd2d34e48c7fab2110d2605fcb80953c5a05b91ca49b4cea1fe124d7b975bc10

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
SignatureIG7MK+DwwlMjd0VaccGK5HvoShzCMFRUGnkRmTAW+VFhIHjQdHPEUuOmHc6SBB68PuGHqeNVXl6aUoY7wl+/Aw==
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

2026-09-17T10:29:05.488289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069194
observed e04145847a5249e7f4ecd60731433bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.469107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069194/manifest.json
observed bd2d34e48c7fab2110d2605fcb80953c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.451050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069194/publication.md
observed a43fc6293aaf41a9ad92a264efc25765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.430161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069194/publication.txt
observed 78db7fa4c7039c97c746ff3e2d5a922c...
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.