OpenTechnical

OT-2026-000030379

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000030379) never changes.

Identity and time

Publication numberOT-2026-000030379 · never reused
Internal UUID01a0ae73-e502-7ac4-b705-88e6f9fa722f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030379
StatusPUBLIC

Content hashes

Canonical text91e53b1b05b5daa6ac30bdcb92e92cc89e44741aab6f1f1bcc9a5358fa1bf913
Markdown0c1daf9705f00d0ac2ff5489d1d4b3bbd4b53ea73ef5bb9d30c24af2a299a5c4
PDF
Publication page35a0cda32ee7525109d159ad04fa6df9856b8c9aa1b3c8871ab42a620c387284
Manifest12eab6b4f0d5d4e6c157aa77365386821ce26fcc46e1add14c022815b2e919be

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
Signature6OEzeMRovpiEhDdXun/pl8xFClXwwgHw9k8cJqTIiEKxhc9khLfuyVWtpSwpq99fAD+iJMVtmOc4CdgZc20CAg==
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

2026-09-17T11:38:06.184044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030379
observed 35a0cda32ee7525109d159ad04fa6df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.168888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030379/manifest.json
observed 12eab6b4f0d5d4e6c157aa7736538682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.153192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030379/publication.md
observed 0c1daf9705f00d0ac2ff5489d1d4b3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.134665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030379/publication.txt
observed 91e53b1b05b5daa6ac30bdcb92e92cc8...
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.