OpenTechnical

OT-2026-000030391

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000030391) never changes.

Identity and time

Publication numberOT-2026-000030391 · never reused
Internal UUID01a0ae73-e503-74e0-ac9b-dc0374fc5750 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030391
StatusPUBLIC

Content hashes

Canonical text0e05afde44ab476632085944dd40ac20ff5b3835c7e863ebfc17d22d6b85ccca
Markdown7e76a7ecae650d4bc246c29f932f6a382be852f517a5a4a78c2687dbe8cc6cd4
PDF
Publication page4e21ef355b6f2fc5159d2a344fb9638e54824201f7c012a6485739f6a9c90951
Manifest3a914c027ea23c838f14d4f95a8bdc8587211db9f00fa54ef7686504e0dc1b0c

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
SignatureyMUqD1T9Vpx+rJPNFFy1PyxtRcxocBVHq0UGqOgPx703sOhrukstD6Juriwp0/xjdcw6mzEyIB5oIXm46ItQDA==
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

2026-09-17T11:38:07.104222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030391
observed 4e21ef355b6f2fc5159d2a344fb9638e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.086667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030391/manifest.json
observed 3a914c027ea23c838f14d4f95a8bdc85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.069907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030391/publication.md
observed 7e76a7ecae650d4bc246c29f932f6a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.050563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030391/publication.txt
observed 0e05afde44ab476632085944dd40ac20...
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.