OpenTechnical

OT-2026-000052128

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000052128) never changes.

Identity and time

Publication numberOT-2026-000052128 · never reused
Internal UUID01a0ae83-e78f-7d68-a4e4-743d79a01915 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052128
StatusPUBLIC

Content hashes

Canonical textdba3226c4a44373d85ac37a438454c81a42402cce837772b19bb0575a6a51830
Markdowna7a76c11168fec37e0d0709a27d7f80808182b4a2de4f6015a3b5cd6be0866c4
PDF
Publication pagec7d13e77657dd7210e70288eb96d80f8b9935e8c546a366b12ee6c1d15c9df0d
Manifeste29013ffb17c35987c88b6849b2b9dbd533566d28a068a5a383ddcda1e937c29

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
SignatureRin9JRJHcJZuK/lvN4ovD4Ezvyb3Z+vGStDyo3ABRAyBz9rt36Pi0zu86IDcPjryWK3SjLpIOcsaKi70QLsvDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:40.555336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052128
observed c7d13e77657dd7210e70288eb96d80f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.538445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052128/manifest.json
observed e29013ffb17c35987c88b6849b2b9dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.521240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052128/publication.md
observed a7a76c11168fec37e0d0709a27d7f808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.503273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052128/publication.txt
observed dba3226c4a44373d85ac37a438454c81...
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.