OpenTechnical

OT-2026-000017412

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017412) never changes.

Identity and time

Publication numberOT-2026-000017412 · never reused
Internal UUID01a0ae6e-76c9-71ba-aab3-73e80090ec9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017412
StatusPUBLIC

Content hashes

Canonical textb4eedf2c7947863ca92cb115dd681634d78153a9805736f6f3849c652115b1a9
Markdownb180b567379b33a9f199ceafecceb09e94186733551ca96bd616515aba55d4b3
PDF
Publication page1258b4dce6c9ee3d1c0f7035f5abc5a5f278c0f41b39c6da5b87016a1da2644d
Manifestf97d4180750294de382d1911ad39c2ad79a64299102864b4fa189402eb899ee1

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
SignatureV9GUL6MqTc6wgLQzWky7W/xhizx4fUXsb8j9xA5aPJ7hxXbfJttXB1LdzRQAQGIJtKlLnzVeLWUDqghhxntBBw==
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

2026-09-17T12:02:32.378197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017412
observed 1258b4dce6c9ee3d1c0f7035f5abc5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.361090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017412/manifest.json
observed f97d4180750294de382d1911ad39c2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.344395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017412/publication.md
observed b180b567379b33a9f199ceafecceb09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.328029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017412/publication.txt
observed b4eedf2c7947863ca92cb115dd681634...
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.