OpenTechnical

OT-2026-000033519

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000033519) never changes.

Identity and time

Publication numberOT-2026-000033519 · never reused
Internal UUID01a0ae75-a38e-7f1d-8118-24f563ee3b73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033519
StatusPUBLIC

Content hashes

Canonical text7874140650c62e7e1ab60195c4de471d87ea2c872f9ebe5777638ddbbd82fc6b
Markdownba6917d987ad003fa6c03c91f5ddaead5cfeaf08e35ee1e0cdfcb7e4aa1c7176
PDF
Publication page614c0040b6809c13f659fdc1254e720caef4ec67b6b75c1f6e42bb27fffc58f0
Manifestf09cedbabeaf0afffcd4be1adbcbb82275cb2b417701174eda22689b2ec13ea1

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
Signature2GuyLfkvHEW0XKjIPKmnjJfjlGxlh391dANJH79fzRfF/YlUAZQsjIx2b72TrUoYgxChYJ53h4toAb5tj1uwAA==
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

2026-09-17T11:31:22.534808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033519
observed 614c0040b6809c13f659fdc1254e720c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.517447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033519/manifest.json
observed f09cedbabeaf0afffcd4be1adbcbb822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.498037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033519/publication.md
observed ba6917d987ad003fa6c03c91f5ddaead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.475945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033519/publication.txt
observed 7874140650c62e7e1ab60195c4de471d...
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.