OpenTechnical

OT-2026-000099171

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000099171) never changes.

Identity and time

Publication numberOT-2026-000099171 · never reused
Internal UUID01a0aea2-8288-7d18-b74e-5d940e6b2e4f · 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-2026-000099171
StatusPUBLIC

Content hashes

Canonical texta1d54586258e712a0dc3f0a07fe770ece422ab954070aa9654a4dd2c0570394c
Markdown2fcb78101fcefdbaa2e04aae4fdb5336d3578ebe905617f1bf8cfefaa8057fd3
PDF
Publication page9fb0b5881d96bdf6873345aa95bc0c14817c74de45d29c61f0158ec0f634695d
Manifest8cf8ea0db638a7ee8e3146fe9d13b649dee47f271cb39832df1d9bc6ab812024

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
SignaturekY9LaybU/pYQbYVMbRtgmUO1+vEkmaBpxFTnQLORHx6/hjKe5IjfQON7kW/PIN6aohTZsw7N9+mvoTGsNKzEAQ==
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

2026-09-17T09:30:33.253419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099171
observed 9fb0b5881d96bdf6873345aa95bc0c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.235169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099171/manifest.json
observed 8cf8ea0db638a7ee8e3146fe9d13b649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.217120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099171/publication.md
observed 2fcb78101fcefdbaa2e04aae4fdb5336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.200402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099171/publication.txt
observed a1d54586258e712a0dc3f0a07fe770ec...
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.