OpenTechnical

OT-2026-000103783

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000103783) never changes.

Identity and time

Publication numberOT-2026-000103783 · never reused
Internal UUID01a0aea4-e463-7939-8dd6-136a328f5ca3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103783
StatusPUBLIC

Content hashes

Canonical text47b2a821395f55a2ebb9ed34456c380a6e04003bedf833f9300ab58c7c6dba17
Markdown47c51b71544f2978b45adb67cfa1eed32108ee9a1d1f21145ed9e1ed81f281ad
PDF
Publication paged43cb6eba3272936ef8ed9fc0b785cf94445f5e3b8fc778e25bc360930bf1347
Manifestc1216d5d140a2b50372922235b3086a10a9727744eb827265caa1ee3fe320f62

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
SignatureS+o92rf3QjB9OMTcmo9lwHbcUXmzKfa7Xdz0jP9uSaUXsC1UkWnTb1n56RoMs1F6m2MFn8yx/eu7r5imtk7uBA==
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

2026-09-17T09:22:44.147919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103783
observed d43cb6eba3272936ef8ed9fc0b785cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.131230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103783/manifest.json
observed c1216d5d140a2b50372922235b3086a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.113891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103783/publication.md
observed 47c51b71544f2978b45adb67cfa1eed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.097868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103783/publication.txt
observed 47b2a821395f55a2ebb9ed34456c380a...
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.