OpenTechnical

OT-2026-000026304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000026304) never changes.

Identity and time

Publication numberOT-2026-000026304 · never reused
Internal UUID01a0ae71-f4a6-757a-a22e-cb2538af1fd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026304
StatusPUBLIC

Content hashes

Canonical text6413b8091efacc6852d89bb18e099a47960749fb1ae6d059bf761a242d97d5e8
Markdown36f6cef351ed615ba18ba3a43f82e2980957e1ca40c4d8ec81fb7265d8501186
PDF
Publication page4121393bca5fed91174265d0188dbc904360c6e44125a74f89a435e77383e142
Manifest183cb648c9601c699fcc2382e11fe0bb16a0d4c4ff7cb19f50c690df08437221

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
Signature7yIIy0jLRg1sguVNiUqrSCBm1AlTyiLgGAvMLbXCv/EcJbMdjZ63g6NOp6GRnjvEXTdGjB1hRsoW36lyYTvECQ==
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

2026-09-17T11:44:15.346671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026304
observed 4121393bca5fed91174265d0188dbc90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.331187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026304/manifest.json
observed 183cb648c9601c699fcc2382e11fe0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.316804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026304/publication.md
observed 36f6cef351ed615ba18ba3a43f82e298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.302015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026304/publication.txt
observed 6413b8091efacc6852d89bb18e099a47...
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.