OpenTechnical

OT-2026-000098034

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000098034) never changes.

Identity and time

Publication numberOT-2026-000098034 · never reused
Internal UUID01a0aea1-92f8-7b4c-aa98-240982a0784b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098034
StatusPUBLIC

Content hashes

Canonical text42f130887188fb1fc6239966d2d61fb72f8601d64469f32e07067ae93bd8b655
Markdownd7d680c65fba35f9f257d09911c7d7e9d748cc466ac764043b5e944184b4908a
PDF
Publication page28d58c5b122f11af3c01b36c18d10a1eb3ab57e966e7c8a7b0e1efe97d871b00
Manifestfb400210f510a7e47ab48c9bd413e45643b06bcf3df9ecd1bcf4359518046c55

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
Signature9Y/ApcpbSA4YTcSAMngJswPTdZ90P4O4kCD0ty243ztcqDa0ID8/FGuplkDK26ehL57ZfkjoafL/40JuJHl9Dg==
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

2026-09-17T09:33:12.804144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098034
observed 28d58c5b122f11af3c01b36c18d10a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.786614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098034/manifest.json
observed fb400210f510a7e47ab48c9bd413e456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.768131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098034/publication.md
observed d7d680c65fba35f9f257d09911c7d7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.751271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098034/publication.txt
observed 42f130887188fb1fc6239966d2d61fb7...
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.