OpenTechnical

OT-2026-000080370

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000080370) never changes.

Identity and time

Publication numberOT-2026-000080370 · never reused
Internal UUID01a0ae96-7e77-7b19-af34-e529bf20aab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080370
StatusPUBLIC

Content hashes

Canonical text9eabf2c37a5d3fc407a4b7a8084c4348bbd8248330a3a28095ae69dd69fc2aeb
Markdown64773a4e3dde93c9827daaa67133a96ca3dc0f834a93b8113a4cf91027f9a30e
PDF
Publication page9755c3d30c404be26b9bdff655897e402078a35184ad8b2befc18f6c8e28b12d
Manifest87ccbdd9ee23a3a02451fdb0091198c3cf683160fc2f7b771d34a9eabdd63699

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
SignaturevapslBVjnmXr2v1lPVMMlcMolqnkE7hHKvmQcFHKw67IsOH3d0MHr9Qha3HjGCUIeVbv8ytn9QGRugxXG/AtCA==
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

2026-09-17T10:02:51.641800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080370
observed 9755c3d30c404be26b9bdff655897e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.622404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080370/manifest.json
observed 87ccbdd9ee23a3a02451fdb0091198c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.604604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080370/publication.md
observed 64773a4e3dde93c9827daaa67133a96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.587829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080370/publication.txt
observed 9eabf2c37a5d3fc407a4b7a8084c4348...
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.