OpenTechnical

OT-2026-000104010

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000104010) never changes.

Identity and time

Publication numberOT-2026-000104010 · never reused
Internal UUID01a0aea5-15e8-71e7-adc1-d3257fe8f27f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104010
StatusPUBLIC

Content hashes

Canonical texta4c51dfee4c1342b520ffd50700bc588575f06923d01b4f4bcd4c50634f5030d
Markdown029286125b37ab00f19bd271376bd58d01a218737d2d08c69b3eb16d8b3155b4
PDF
Publication page1c21037420515f9a4b16733922612aa057c8b3218736cc147f5e5c05a73c1038
Manifestc2cfd6ff7e7d888c972b6f95dab226cf478116da83baf85bc9d549a6d5157815

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
SignaturePozAZ1GN1iPm4AOsh7+dwMiz1b54KPNHEFF26DkftjuTi9mVjVzVCU+COdQ5X77rN/wZo2zzVc+s1jNoa+elAA==
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

2026-09-17T09:22:01.336485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104010
observed 1c21037420515f9a4b16733922612aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.318824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104010/manifest.json
observed c2cfd6ff7e7d888c972b6f95dab226cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.303015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104010/publication.md
observed 029286125b37ab00f19bd271376bd58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.285722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104010/publication.txt
observed a4c51dfee4c1342b520ffd50700bc588...
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.