OpenTechnical

OT-2026-000049142

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049142) never changes.

Identity and time

Publication numberOT-2026-000049142 · never reused
Internal UUID01a0ae81-134e-7c57-aea7-ae1099dacec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049142
StatusPUBLIC

Content hashes

Canonical text3cd158a9735e224e92d237e6341f96142668f0abcdfece5909c2d31c93ef7470
Markdownbc551dd465c5d465d55b995221846c5dee8bf44540be05e1b7674c3db2370bb0
PDF
Publication page8d70d86dc90310079d76baabe6e6e6dc10909ed857730e0ca2834c248e688b6b
Manifesta23666e978cc9c0698f786c38c6bb13ada4a9799cee5595638aaf0223bd9990e

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
SignatureyoNH95yGP74rP8o1EwtcNi3NDk/EVI/vPcuD2S7glIEzbYqy9ElY11H528dKUxdykaFr8mQpEHhbLzDBAYGZBg==
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

2026-09-17T11:03:24.836469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049142
observed 8d70d86dc90310079d76baabe6e6e6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.819512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049142/manifest.json
observed a23666e978cc9c0698f786c38c6bb13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.800730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049142/publication.md
observed bc551dd465c5d465d55b995221846c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.779975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049142/publication.txt
observed 3cd158a9735e224e92d237e6341f9614...
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.