OpenTechnical

OT-2026-000040332

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000040332) never changes.

Identity and time

Publication numberOT-2026-000040332 · never reused
Internal UUID01a0ae79-2700-74df-a1d0-ca4d51da478f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040332
StatusPUBLIC

Content hashes

Canonical text3ffc4f225d8423f29fcf04ac1419f37af407427e4c0f6e76117751fd4a1649c4
Markdown973dbb8376ba69fa8492d1ab6039fd3858bc48a10236e3f047ae46ac6c76d39d
PDF
Publication page3ab428b655e3f004c812b547bb91744577b102d868f7305fdb0f529dbee0ea9a
Manifestc5fa9e88cf5812b8d400103827613ad4a21f050d1510f65939572f1712622ce0

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
SignatureVS4+4tNl2X7hbq3jyDm84XG8uim1dVA9N42po56XoMvftoo1aAL/NIWG19CYD5RiFNfK+p0Ym/JBg30ZbOIlAg==
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

2026-09-17T11:19:20.259907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040332
observed 3ab428b655e3f004c812b547bb917445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:20.242649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040332/manifest.json
observed c5fa9e88cf5812b8d400103827613ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:20.225006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040332/publication.md
observed 973dbb8376ba69fa8492d1ab6039fd38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:20.206891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040332/publication.txt
observed 3ffc4f225d8423f29fcf04ac1419f37a...
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.