OpenTechnical

OT-2026-000040548

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000040548) never changes.

Identity and time

Publication numberOT-2026-000040548 · never reused
Internal UUID01a0ae79-6d0d-7a80-a534-1e7ed6928d1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040548
StatusPUBLIC

Content hashes

Canonical textca9e22cc43625dcefab265dc8ba562da28fc45f2d97bb5cc57f97f2d301ddff7
Markdown1dfe389c28ae63632d7db3387d165ec767b8873c1d56fcc2e4f5f303cbf8f0cd
PDF
Publication page54a8fe9250652acad67258aec7eeb35bdbb640332e6eb70bbba1d500fa1ce74e
Manifeste3b51f6ff08ebca961a6bc141aa84ecea738a7d65527fe845e42bb92a0b9ed1d

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
Signature1fbmc57DVCjHCCrm1XaBMyZbrNR2gCJ/GvhnhL1Js8fa2a1gg3ZJwg0olHQblWifOG3BWRrBi43GvmBXasZGDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:42.240368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040548
observed 54a8fe9250652acad67258aec7eeb35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.223710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040548/manifest.json
observed e3b51f6ff08ebca961a6bc141aa84ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.205625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040548/publication.md
observed 1dfe389c28ae63632d7db3387d165ec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.186936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040548/publication.txt
observed ca9e22cc43625dcefab265dc8ba562da...
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.