OpenTechnical

OT-2026-000083746

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000083746) never changes.

Identity and time

Publication numberOT-2026-000083746 · never reused
Internal UUID01a0ae98-0417-7c2b-af8b-1e7419a0f091 · 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-2026-000083746
StatusPUBLIC

Content hashes

Canonical texta411ab7bc795e6d9944cdb85dbd79b083fb5710ab180624d50d1bf88468517bd
Markdowne15475eec13e6022b2787b43ace802c1c4a3c402f8039bdcf8cc8bcd61dc3d94
PDF
Publication page48bf9652dbcd9503563857cff3aec8def4fded972356b654fec474425058bdab
Manifest411e05d612d3b75d85fcf76f81c8e060237f511bb765f2d16f37eea8d82230bd

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
SignaturevxKufhcp7hZ2OFbp7BdTt5WlRvJ5pvfgtKF0CE4miyZ0QouPsKQ2itU3LJKifbmPYEu+89zRJZKDQyzYnJIPDQ==
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

2026-09-17T09:57:23.004515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083746
observed 48bf9652dbcd9503563857cff3aec8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.987234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083746/manifest.json
observed 411e05d612d3b75d85fcf76f81c8e060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.943162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083746/publication.md
observed e15475eec13e6022b2787b43ace802c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.910595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083746/publication.txt
observed a411ab7bc795e6d9944cdb85dbd79b08...
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.