OpenTechnical

OT-2026-000005382

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, plant vacuum fed, contact triggered

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-2026-000005382) never changes.

Identity and time

Publication numberOT-2026-000005382 · never reused
Internal UUID01a0a937-44d2-7d92-875f-61fef471180a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:06.740366Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005382
StatusPUBLIC

Content hashes

Canonical text021371305dc446d28691e859215ddb2290d91b18287a9973cb1e1cac782fc3ed
Markdownc8d6072e82ea559b6738998b90293f0f5b25c035ec3650309878d6cd6d082d7c
PDF
Publication pageba4b2fe88e5ef95671926771fca9f7dcf4614e590623aa8d62fc06563f336550
Manifest7ef8ffe62c2cbfac56e12f9e0cf2d7ce7ec4de67af77fc70108320e7667fad29

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
Signaturey4prPW1NXM7jaPK2FzSENPBd0PaBgo7by9UuLIJRP8Z2FeDkdbbQg1iCeRj3H7maWEEZl8ds0FeRhKbFnB/JCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:15.955779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005382
observed ba4b2fe88e5ef95671926771fca9f7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.938374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005382/manifest.json
observed 7ef8ffe62c2cbfac56e12f9e0cf2d7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.925784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005382/publication.md
observed c8d6072e82ea559b6738998b90293f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.912920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005382/publication.txt
observed 021371305dc446d28691e859215ddb22...
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.