OpenTechnical

OT-2026-000049403

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000049403) never changes.

Identity and time

Publication numberOT-2026-000049403 · never reused
Internal UUID01a0ae81-8f7b-7df9-9746-8a686851f323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049403
StatusPUBLIC

Content hashes

Canonical text3f13a5723877135dbed02b63e97e1cb98f375173465521e137274b13f43b899d
Markdown0eea4c45f4ff64bdc0256e2dddf8b1aa9ae154a0585782737146e8b8563cc222
PDF
Publication page466cf5c5711de02442ece0f629c92e23d4a83869060a09094a297bc6bac8a261
Manifest2c04ea53ca4c5afe8f320b158dc4272b2ca051cb3d1185a82b8facb863d7928e

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
SignaturefDccJyt+23Ky4KWQKCoFmXPdStpfAjXNkBO1sjoFsCjBQ46Yh9aN64DjGMJK/he6VknZIIfJn17I+RzKkJiUBg==
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

2026-09-17T11:02:13.291367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049403
observed 466cf5c5711de02442ece0f629c92e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.274552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049403/manifest.json
observed 2c04ea53ca4c5afe8f320b158dc4272b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.256146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049403/publication.md
observed 0eea4c45f4ff64bdc0256e2dddf8b1aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.237027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049403/publication.txt
observed 3f13a5723877135dbed02b63e97e1cb9...
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.