OpenTechnical

OT-2026-000033394

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000033394) never changes.

Identity and time

Publication numberOT-2026-000033394 · never reused
Internal UUID01a0ae75-8980-77d6-8e26-30d7f27c46aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033394
StatusPUBLIC

Content hashes

Canonical texte1896a879010357c74108d993a7d2cfc29b4d232bdd22ade355ec09286d181bf
Markdownbed8d7d5434bea69c74c65d9e38fdbbd53a86feb5e0be1832cc06659f789e6de
PDF
Publication pagec85511f56afe5ff5df4b2290f3236a67b507b3856c576ea8706bfeb551f68312
Manifest57b763036c38da31f60ec261a985254c168f3e4dabff7fa70ea841f14cad0fca

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
Signatureypoj0syXR/JqYuV3j0wMGX2VY8/uBqvIzUBT5VQWjREzI8DnvgZLiJUWlTRKAz5LNxPonHMWXtUjHOOV09BbAQ==
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

2026-09-17T11:32:10.306946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033394
observed c85511f56afe5ff5df4b2290f3236a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.287093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033394/manifest.json
observed 57b763036c38da31f60ec261a985254c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.268061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033394/publication.md
observed bed8d7d5434bea69c74c65d9e38fdbbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.248828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033394/publication.txt
observed e1896a879010357c74108d993a7d2cfc...
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.