OpenTechnical

OT-2026-000016785

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000016785) never changes.

Identity and time

Publication numberOT-2026-000016785 · never reused
Internal UUID01a0ae6e-5919-76f4-ac35-787cb3d36012 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016785
StatusPUBLIC

Content hashes

Canonical text820d1abaff05a882820fb53f9efe50680374c16ebf2ed68ef73216b6a57f42d5
Markdown06da774873a46c19e790a48ad39340ea4225787815dd7d151e830362c85aafb8
PDF
Publication pagee54fe4563e598ddbb6384a6e9a88abadd446253eff03950e6a3e7674171fe0d2
Manifest3d40d1c4a9f7f1ffe56d8691ee6792ba1fa47db1d7afbb2c8a9c7426cb7a6be6

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
Signaturez2kK8crO1HsSYCLvb3mzDBHt97nV3MQI6O/vKJELItmTmqrsu73wjxNx1z3wU+KSiUIud4a0SLQuP6smW0tEDA==
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

2026-09-17T12:03:01.826068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016785
observed e54fe4563e598ddbb6384a6e9a88abad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:01.810691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016785/manifest.json
observed 3d40d1c4a9f7f1ffe56d8691ee6792ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:01.793753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016785/publication.md
observed 06da774873a46c19e790a48ad39340ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:01.776005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016785/publication.txt
observed 820d1abaff05a882820fb53f9efe5068...
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.