OpenTechnical

OT-2026-000077893

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077893) never changes.

Identity and time

Publication numberOT-2026-000077893 · never reused
Internal UUID01a0ae95-2ed1-71db-acc2-994fe4e8ea95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077893
StatusPUBLIC

Content hashes

Canonical text12a5afa737de2be0eea94f7d613b9c51e4149caba0c6d23dc250588de4bd4b62
Markdown9ffde766862373380d9780503e922824313dedf0f67dcf9c27e580a653ecd34c
PDF
Publication page9efa4ceddda2537dde269a737f412a41ed1b9ad38f79799bbb5804acb9b930f5
Manifestbddc2d267d6073677be1a294872fb0da302467b3fc5465be481a006285643b82

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
SignatureK2HAFZ9KGWz8kkTaTtBlikZlrih/a6qjwLS4a/q6n/pATwypyJfsX8dVQUlfBmFJuzuOMmGw99GEUVRIb1KQCw==
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

2026-09-17T10:07:38.365365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077893
observed 9efa4ceddda2537dde269a737f412a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.347605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077893/manifest.json
observed bddc2d267d6073677be1a294872fb0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.327557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077893/publication.md
observed 9ffde766862373380d9780503e922824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.307547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077893/publication.txt
observed 12a5afa737de2be0eea94f7d613b9c51...
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.