OpenTechnical

OT-2026-000043271

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000043271) never changes.

Identity and time

Publication numberOT-2026-000043271 · never reused
Internal UUID01a0ae7b-327d-7484-bccd-f2ca16cc7875 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043271
StatusPUBLIC

Content hashes

Canonical textc294e68442723e4c14dfd2d487ccc76878c630ce3792342704082b4e761478ab
Markdown9115cd62e26547fb5a655a9da7c426f82eda6450a2e005f6850c7c29ce300dd3
PDF
Publication page37abba3a99516c5bb3c03aea1827e20bd8ff3806b8db16c471648b93bc79b610
Manifestb16f04aca2bcb3b21193e9e020e776285d78abf309f5fc4a02f38733b9e7a4d8

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
SignatureBsFrlPP6zPSWeKea4ruUHD4jxtLmtUpFaf1b8kQY4xULHRJ5KPteAmDvku3N6DNrIUdwHaLdesSWtQndlMYSAA==
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

2026-09-17T11:13:45.464257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043271
observed 37abba3a99516c5bb3c03aea1827e20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.442768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043271/manifest.json
observed b16f04aca2bcb3b21193e9e020e77628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.420138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043271/publication.md
observed 9115cd62e26547fb5a655a9da7c426f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.400654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043271/publication.txt
observed c294e68442723e4c14dfd2d487ccc768...
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.