OpenTechnical

OT-2026-000034172

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000034172) never changes.

Identity and time

Publication numberOT-2026-000034172 · never reused
Internal UUID01a0ae75-df0d-7887-84e5-3ac9c67eff9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034172
StatusPUBLIC

Content hashes

Canonical textc0d6e6d2b4eaf35b0d9363ed185fe95686587f8c6a535d796aca38ffa9516a9d
Markdown8027fca27c4c2e92444d88f566eaa85af4774a1708f257fa5afe61e34ecfe819
PDF
Publication pagec3cb3e9a1e528c36e08b4cabdfa7592069f0146418f30e4cc1b89703b28c1312
Manifest9373fd06b0d0798c49a25b78d4c32e69b9babbe30f308c99f45cdad0b653fb15

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
SignaturefT5FC8gljawNsHTRSSYNXyZmB9gAzc4SEiZQqTDt1jQGecykT3s2Vj5yl+y8gFvdSzv604CSylEjePHGekBgAQ==
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

2026-09-17T11:30:42.099943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034172
observed c3cb3e9a1e528c36e08b4cabdfa75920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.080984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034172/manifest.json
observed 9373fd06b0d0798c49a25b78d4c32e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.059808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034172/publication.md
observed 8027fca27c4c2e92444d88f566eaa85a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.043049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034172/publication.txt
observed c0d6e6d2b4eaf35b0d9363ed185fe956...
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.