OpenTechnical

OT-2026-000083658

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000083658) never changes.

Identity and time

Publication numberOT-2026-000083658 · never reused
Internal UUID01a0ae98-0416-7063-9751-26f612188691 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083658
StatusPUBLIC

Content hashes

Canonical textc898c474b9738ab60ff3d58df31b8f8e4fb5800e76879ce2667bccb4750c29a0
Markdownc2772875eb5464f7a4ccd1bb061a81630c19e5e7cef676828af3deade06b68cc
PDF
Publication page4025177cee2697107b0daba5555bf06cd2b0bb1a558ebccd1376631d3fef2e34
Manifest17ef4086d009a808fa8252652138abf3120ca197fd8811e3915b94c2979c8f84

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
SignaturevOKLNfc53W+bRIUbH7a0ExntZBkHSY5kEc0gzO6AJ3vDdbGM5Fa+lInbZ7oS/6I/KRJUyWcf6RcNcdyWoMIEAw==
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

2026-09-17T09:57:16.625705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083658
observed 4025177cee2697107b0daba5555bf06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.608571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083658/manifest.json
observed 17ef4086d009a808fa8252652138abf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.590877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083658/publication.md
observed c2772875eb5464f7a4ccd1bb061a8163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.572412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083658/publication.txt
observed c898c474b9738ab60ff3d58df31b8f8e...
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.