OpenTechnical

OT-2026-000078251

Publication integrity record

Two 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-2026-000078251) never changes.

Identity and time

Publication numberOT-2026-000078251 · never reused
Internal UUID01a0ae95-7c27-757f-9382-f2cd22fc7405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078251
StatusPUBLIC

Content hashes

Canonical textcc2774f0168cb1ad90e953b9bdde86bda0d70751b8ffd5e1d0086708200686fd
Markdownc2d345b8e8bdf9a94545707113be4b1b7325fe29cc8dc77163773f8530c48b5f
PDF
Publication paged3f57de6fd5e9105e227a251ab46f77e839ec6f60f570e329b1af2d6a9db315d
Manifestb7610f253d70bd9e268b832619f6825877266a2a52b2b3798b614c8a6f2eb438

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
SignatureJmk5yc1Ayzn4mmbo+qmgrHySVk1Nkp8hHNbdjyeZF7iBSrrX1bjyorI5mUAKDZrB+epHy+O/FJv9KQiGGxo/AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:12.410960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078251
observed d3f57de6fd5e9105e227a251ab46f77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.394189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078251/manifest.json
observed b7610f253d70bd9e268b832619f68258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.375608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078251/publication.md
observed c2d345b8e8bdf9a94545707113be4b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.357343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078251/publication.txt
observed cc2774f0168cb1ad90e953b9bdde86bd...
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.