OpenTechnical

OT-2026-000050163

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050163) never changes.

Identity and time

Publication numberOT-2026-000050163 · never reused
Internal UUID01a0ae82-5c45-70b9-ac9c-4c70c913f26e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050163
StatusPUBLIC

Content hashes

Canonical textdf47f11e6b6739d40759a0f401419d37aa1bba876e9107a27ea65aa866759992
Markdowneacdfd81211ab4932d9c4aeef115d92b2d46fbedb628ea61ee1a013ab687700a
PDF
Publication page09d27934b6753346ff01c81c9525c94e6923ead5b8642fcaeab24afb1f05a821
Manifestb4ad59c85586bf3f5bd844766dc243a5217ca07dc916681a1bc0f7e4bc30e56d

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
SignaturexEvc8qlCvawb+JaKyc1q9pT5dDkqWKDfFjGxgzXHGHub5G4vsocQPtEWXK6XL2HO1dNu8C3mJeT9r4EHqFimCg==
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

2026-09-17T11:01:08.424969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050163
observed 09d27934b6753346ff01c81c9525c94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.408392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050163/manifest.json
observed b4ad59c85586bf3f5bd844766dc243a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.390471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050163/publication.md
observed eacdfd81211ab4932d9c4aeef115d92b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.373405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050163/publication.txt
observed df47f11e6b6739d40759a0f401419d37...
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.