OpenTechnical

OT-2026-000100346

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000100346) never changes.

Identity and time

Publication numberOT-2026-000100346 · never reused
Internal UUID01a0aea3-3054-71df-ac76-574dcab0c31b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100346
StatusPUBLIC

Content hashes

Canonical textd5c13ec036aa85216901417898989a7c521937f9756327521f783e33b29f7716
Markdown6177f3660c9e267004dc63b8307d6ea9acc7679c5dd37e9640ee591334c36af4
PDF
Publication page4c5e40842279740b53642e271716518be55b1d652d9e72d61e9f9c38a95c2e38
Manifest603353b39f3800397acf876edae895d328e711814c64e394374fc965a933d6fa

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
Signature7jGn2+D2WAH+3goMl0fhM2dbAWabITdhkA83r94eHV8NSXhNlpNw+mvtJZPK8u49hTq6+qDnfxg1KaXj7RK6DA==
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

2026-09-17T09:30:17.615575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100346
observed 4c5e40842279740b53642e271716518b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.596115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100346/manifest.json
observed 603353b39f3800397acf876edae895d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.574740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100346/publication.md
observed 6177f3660c9e267004dc63b8307d6ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.555878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100346/publication.txt
observed d5c13ec036aa85216901417898989a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.005182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100346
observed 4c5e40842279740b53642e271716518b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.987323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100346/manifest.json
observed 603353b39f3800397acf876edae895d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.970162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100346/publication.md
observed 6177f3660c9e267004dc63b8307d6ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.952572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100346/publication.txt
observed d5c13ec036aa85216901417898989a7c...
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.