OpenTechnical

OT-2026-000043579

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043579) never changes.

Identity and time

Publication numberOT-2026-000043579 · never reused
Internal UUID01a0ae7b-92cf-751d-a884-36d48042e2cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043579
StatusPUBLIC

Content hashes

Canonical textc7c036672a6430c5196c1114c7da9b8eed18336b28060ca53a149767610f818c
Markdown153082d8bfce4837675497eb5ec560aba712e993c5f8f78d1892488caa2508e5
PDF
Publication page2fb32f67c1d6b4eec1fee4bc4ea675d43b8874953779807c6660b27e923c6608
Manifest29919cc6e47895e8c8faf80b798f9fcff04e782727b4602dcd29308b2983f4c6

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
Signature9r3PrUI0RvrohlYiiWL6yEj0bf4L0LvpfY6k2UmkvluHjJNlBmgyQ+j/973g6Py3wva8AbHsoCYkliC2Czf4BQ==
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

2026-09-17T11:12:58.651360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043579
observed 2fb32f67c1d6b4eec1fee4bc4ea675d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.632065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043579/manifest.json
observed 29919cc6e47895e8c8faf80b798f9fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.612932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043579/publication.md
observed 153082d8bfce4837675497eb5ec560ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.595395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043579/publication.txt
observed c7c036672a6430c5196c1114c7da9b8e...
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.