OpenTechnical

OT-2026-000050535

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050535) never changes.

Identity and time

Publication numberOT-2026-000050535 · never reused
Internal UUID01a0ae82-5c49-75fe-9aa3-13e6ff63555b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050535
StatusPUBLIC

Content hashes

Canonical textc5cd50c4cb8cfbdbddd616500d9500c5777339d24d72f7c85b907558f6be992e
Markdownb7d98a8b063e85e9375afbd157d6123aa87f65ecf72a175e805fff53312dcbf9
PDF
Publication pageda2b1b5bc3b7b22d7cec776978014263036146169136a70bdd62317dadce36c6
Manifestc19e1d37757ccc4b5d5dcf60d672141c9cc76922d703f38ce9fc0b42fa1fedc5

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
SignaturedwWJpLSXIHMKS3vUeS9OuI8OlCcj7o4/ziTM2eY3XgAmuntuYRKmPxgjlPsuxFxZs1HH8nwKDOtVsja7O0dlDg==
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

2026-09-17T11:01:37.860316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050535
observed da2b1b5bc3b7b22d7cec776978014263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.845114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050535/manifest.json
observed c19e1d37757ccc4b5d5dcf60d672141c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.829344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050535/publication.md
observed b7d98a8b063e85e9375afbd157d6123a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.812676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050535/publication.txt
observed c5cd50c4cb8cfbdbddd616500d9500c5...
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.