OpenTechnical

OT-2026-000017174

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000017174) never changes.

Identity and time

Publication numberOT-2026-000017174 · never reused
Internal UUID01a0ae6e-76c7-7d8b-9dc6-79223942cdcf · 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-2026-000017174
StatusPUBLIC

Content hashes

Canonical textfc3bd3b0b0903faadbfb61820872c4442c04adeaeafdf8c3d21b54adf5152bac
Markdowna6d04458aaf3edb738299da227a1da4c40a27e68a81a58a2b17bff6cd7c94ec4
PDF
Publication page81007992f7873fd82c828c3b83681264831acba7c902a285e0481d8c3db7f747
Manifest7dd73fc16b2b8e07efb9577a9f18e6b625402a268ddeaf15ca1cf69e26c85288

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
SignatureuWPayrxc6sfv/BCsKdA597RM6oLamIPx+Ki2CEbavoflkXMJsb8YO17Jj8qvmF7vcImzZFA1GqowjVQPae7kBw==
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

2026-09-17T12:02:14.497641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017174
observed 81007992f7873fd82c828c3b83681264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.482074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017174/manifest.json
observed 7dd73fc16b2b8e07efb9577a9f18e6b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.465591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017174/publication.md
observed a6d04458aaf3edb738299da227a1da4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.449976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017174/publication.txt
observed fc3bd3b0b0903faadbfb61820872c444...
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.