OpenTechnical

OT-2026-000099181

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000099181) never changes.

Identity and time

Publication numberOT-2026-000099181 · never reused
Internal UUID01a0aea2-8288-78bc-b8d3-ed52215163c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099181
StatusPUBLIC

Content hashes

Canonical text13f0af9b0c525c7951e7e6ea78364e323a3d1b823e50c3b18d70edf0dea2cbb1
Markdown0ca226b722854f9a84ad2dbfbe7a75658d5210f7efb03557b93bf5c1a9cde4c4
PDF
Publication pageb093daae7b8f43c63f62c3a1f1800818b1793a5f5daf8816397bd79d48c376d3
Manifesta9326005a5279f91b8f62463026b3c3b2362550ba78a8f04590d4c6423fc9907

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
Signature9kPTU8myEz5s8s30rzS0bKwBcTBr8AzshtVEbpvw+mJegUJQMxksr4WXeThw5d5azOqQEltdZWI3PLPBoNZhDg==
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

2026-09-17T09:30:34.087769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099181
observed b093daae7b8f43c63f62c3a1f1800818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.070369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099181/manifest.json
observed a9326005a5279f91b8f62463026b3c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.053910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099181/publication.md
observed 0ca226b722854f9a84ad2dbfbe7a7565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.036005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099181/publication.txt
observed 13f0af9b0c525c7951e7e6ea78364e32...
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.