OpenTechnical

OT-2026-000005110

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, plant vacuum fed, pressure verified

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-2026-000005110) never changes.

Identity and time

Publication numberOT-2026-000005110 · never reused
Internal UUID01a0a92e-2c78-7402-b8f9-b6f9d3c7a609 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:10.683234Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005110
StatusPUBLIC

Content hashes

Canonical text8df8bc19ce45229b35a10e7df1184272b81c861eea8e998ca1fab2a122493bbe
Markdown6fdacc4dfaf8740e4f98ac62bdaa2cbbed049027cafe9d97f1f3bd8012961969
PDF
Publication paged524a0ca54cef9e1d15aa684206ddbd9b5f95513728332512388ed5a002d39c5
Manifest37a33eb52738c90f0cdd42223aaa6bfb004c299fb0dbc86d23c3d8eec674cbec

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
SignatureJSRdRhYRutY0DcaFKsjxlK4N7+MjK1eJnrP//Sw/a7Hm/Y6PdD5kH8jOqT9Xoekt2IJOvI2E6mvD4VvoQSIEDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:14.443880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005110
observed d524a0ca54cef9e1d15aa684206ddbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.428447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005110/manifest.json
observed 37a33eb52738c90f0cdd42223aaa6bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.414652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005110/publication.md
observed 6fdacc4dfaf8740e4f98ac62bdaa2cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.399322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005110/publication.txt
observed 8df8bc19ce45229b35a10e7df1184272...
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.