OpenTechnical

OT-2026-000042672

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000042672) never changes.

Identity and time

Publication numberOT-2026-000042672 · never reused
Internal UUID01a0ae7a-c0cf-75f8-ba6d-ec02d53b7dd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042672
StatusPUBLIC

Content hashes

Canonical textea384a5249b5370d96fd16dc544e60b2ff5d199219ab2458392eb6d3caa9a1e7
Markdownaafc1053d3ad5994fa397bfe69140915e9eaed3e9a71e9bfc4f13453bec74cb2
PDF
Publication page8d13dfbef20f6f82c7b64958f3ff1fd52286c6b461027a5df9b1ea9c21fc2165
Manifest2878698ac7be922077e86f76732b2f214388f78515ef284fb80c0a031af7aa1f

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
SignaturerQazqzRwgUvh/6uMksxcbvWbnY5uJuEEF5eQG1ZVJ8VMtLXaTVFh+912uz5H2WVLy6dklPSu6vf6R0QI87UTAQ==
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

2026-09-17T11:15:01.273618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042672
observed 8d13dfbef20f6f82c7b64958f3ff1fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.250790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042672/manifest.json
observed 2878698ac7be922077e86f76732b2f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.231234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042672/publication.md
observed aafc1053d3ad5994fa397bfe69140915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.205360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042672/publication.txt
observed ea384a5249b5370d96fd16dc544e60b2...
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.