OpenTechnical

OT-2026-000056166

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000056166) never changes.

Identity and time

Publication numberOT-2026-000056166 · never reused
Internal UUID01a0ae87-0a4c-7034-aed7-908f91cae87a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056166
StatusPUBLIC

Content hashes

Canonical text55b7dba11d58e7081121e0fd9a3b5b185a432e071eef3bd8b41a8ae8586959c3
Markdowne7ffcdc8466a26f5eb096bd6f581bd2a6bfb3bc6f6e4fd954f9786ceb388addf
PDF
Publication page7706d194f917218a964599e0c4f31e634453ec550a1b796aaffaa279c1686557
Manifest821acf76298b1de1885080477a88b9e013bd0b92388e4e18e317e96dcb651178

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
Signature0APNwZkHTC7/+IcKcogeIOA52NytNMxTgLwQvazeGCO/6zvxOG5w0waVqPE/ptKqmssBjqpI09SlWF+p5gr/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:43.499773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056166
observed 7706d194f917218a964599e0c4f31e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.482991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056166/manifest.json
observed 821acf76298b1de1885080477a88b9e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.465780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056166/publication.md
observed e7ffcdc8466a26f5eb096bd6f581bd2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.447371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056166/publication.txt
observed 55b7dba11d58e7081121e0fd9a3b5b18...
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.