OpenTechnical

OT-2026-000098061

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000098061) never changes.

Identity and time

Publication numberOT-2026-000098061 · never reused
Internal UUID01a0aea1-e963-71d1-90a3-f514ecce456b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098061
StatusPUBLIC

Content hashes

Canonical text7822c1c1cd414ed234e3a79d4edc46223ca32c650c18d4788acc45023f25c8d0
Markdown8456b6e80f035b732588512d7b1418f91ccc8e1b7a3770a3c078803488e175e3
PDF
Publication page454f4f0cd49ec80909e9e0adfd9e9aa2c15d1ce9bf8f628d7cd3872801122d7f
Manifest294dff50bcd4c940bbfb2b1adfc4ec5da2f4db1ff1077ec18cb378c116ef1ff0

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
Signature3LyozPcYvIOWBOyYK0aEsMbuwMdD/G6IoRvbdlAaLn8obJu9QyhFEAx13psGQeiZYnqnSFPuFw63rGupmkNQCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:11.411385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098061
observed 454f4f0cd49ec80909e9e0adfd9e9aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.394517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098061/manifest.json
observed 294dff50bcd4c940bbfb2b1adfc4ec5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.377420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098061/publication.md
observed 8456b6e80f035b732588512d7b1418f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.361736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098061/publication.txt
observed 7822c1c1cd414ed234e3a79d4edc4622...
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.