OpenTechnical

OT-2026-000036465

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000036465) never changes.

Identity and time

Publication numberOT-2026-000036465 · never reused
Internal UUID01a0ae77-01d1-7468-9a02-b2c14a26f841 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036465
StatusPUBLIC

Content hashes

Canonical textee98d4fcdf73f92d05f0807972b095c7450d038a33e3d57a559f4a72b8764e50
Markdown7269e2e6c7c0e1398cc652a3e1211379f2a6779264ec1efd625ad9f8534734bc
PDF
Publication page69c97196527dcc122218ecfd09e14356a6c60e66b64f898de004a3ad56b198c1
Manifest2ba18d2105d1b08e84325d72772b4d14965248972391d62aa1b91c372bd6c18a

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
SignaturewrsVraK1Nc/bEmQ3vfVHpbhZFtihhNpzEFDe43xAsSUlkysjx5Jm/UTPlGi4/DyVjfkO1ZWGJpisWgBEeOb2Bg==
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

2026-09-17T11:26:52.039874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036465
observed 69c97196527dcc122218ecfd09e14356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.023270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036465/manifest.json
observed 2ba18d2105d1b08e84325d72772b4d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.005249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036465/publication.md
observed 7269e2e6c7c0e1398cc652a3e1211379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.987740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036465/publication.txt
observed ee98d4fcdf73f92d05f0807972b095c7...
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.