OpenTechnical

OT-2026-000008030

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000008030) never changes.

Identity and time

Publication numberOT-2026-000008030 · never reused
Internal UUID01a0ae6a-908b-7416-a0aa-523001dfd059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008030
StatusPUBLIC

Content hashes

Canonical textbf8509c615bb6a7d750f943af1a2a55813a445aadde1c4238be6b16437b9236b
Markdown9e48c3789eb36319bf22c252645999e57add36863a9fcacb464e1d34fc04531c
PDF
Publication page5082deb1979bb083c51fefe805db660e22175f3e8b1663dfb67469f42143dce0
Manifestdd082e7604c5415b487f89ac8db1441bbc8f8139f14e998538a2aab83f8c805a

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
Signature6ti4KlZByrYSDCQGpbgJysjavvoBbc03KsZ0phs3LxAXT4yu8zyKXhG5MP0qv7fKLA58SUzd0UtrOVdJpJTLBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.162365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008030
observed 5082deb1979bb083c51fefe805db660e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.146319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008030/manifest.json
observed dd082e7604c5415b487f89ac8db1441b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.129225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008030/publication.md
observed 9e48c3789eb36319bf22c252645999e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.110857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008030/publication.txt
observed bf8509c615bb6a7d750f943af1a2a558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.988229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008030
observed 5082deb1979bb083c51fefe805db660e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.969326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008030/manifest.json
observed dd082e7604c5415b487f89ac8db1441b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.946158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008030/publication.md
observed 9e48c3789eb36319bf22c252645999e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.926849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008030/publication.txt
observed bf8509c615bb6a7d750f943af1a2a558...
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.