OpenTechnical

OT-2026-000030715

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030715) never changes.

Identity and time

Publication numberOT-2026-000030715 · never reused
Internal UUID01a0ae74-3fb3-7a34-b5f5-6920381a8279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030715
StatusPUBLIC

Content hashes

Canonical text5bc4d02f01c19872787f830b345aef995a36cc2e29592c0929498e15d8f638ea
Markdown32d8b6088cd21a0ebd1cbdbf5098596ff5a363a391c75cc143ca54b9a814811f
PDF
Publication page8d80ddd7cfa42c621d6b3cdc0442be48a21ed3720e82d943373fa5e1c5818055
Manifest2bcf1cc89ed2509a0422fa464c16189b118a840def4923cf758b722987c640b6

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
Signaturem6p1br2TBrYqJA4n6iZSu4GIygXfFkfATPx15fZBUJuhjKnfN6cHrNWZRTjdk9yDVDyX+/VDeuSyC9TMJY05DA==
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

2026-09-17T11:36:38.381483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030715
observed 8d80ddd7cfa42c621d6b3cdc0442be48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.363786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030715/manifest.json
observed 2bcf1cc89ed2509a0422fa464c16189b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.347302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030715/publication.md
observed 32d8b6088cd21a0ebd1cbdbf5098596f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.328297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030715/publication.txt
observed 5bc4d02f01c19872787f830b345aef99...
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.