OpenTechnical

OT-2026-000103263

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000103263) never changes.

Identity and time

Publication numberOT-2026-000103263 · never reused
Internal UUID01a0aea4-be3f-7704-acc0-b81eb987e708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103263
StatusPUBLIC

Content hashes

Canonical text5c28b1be67fbc52aa14a1b215dcaec8929e6ea1cc37b31e6be0d7387c9cbd281
Markdowna04bfdfa2f801343dab0ff92c50cc94a99f16197ebcc2d5d75589e0da66ee83d
PDF
Publication page92badc7b20970828725112ce338d619b8914c849ef715fb739a5bbe21fd514fb
Manifest69a1b5da92e9c2a6a0e807a3715f17b0cb8711e70a71e88fb6bed270b1fe9688

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
SignatureAWybYLNWu3/gXeh40WBO7cpUO5xJU4Mbuyx9ylXW9m8IX2UlqRWtrIJT0VIDi+lvd5T2AiFPHQMq16Gf5AOwBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:30.052992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103263
observed 92badc7b20970828725112ce338d619b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.036563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103263/manifest.json
observed 69a1b5da92e9c2a6a0e807a3715f17b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.017924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103263/publication.md
observed a04bfdfa2f801343dab0ff92c50cc94a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.999959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103263/publication.txt
observed 5c28b1be67fbc52aa14a1b215dcaec89...
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.