OpenTechnical

OT-2026-000100713

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000100713) never changes.

Identity and time

Publication numberOT-2026-000100713 · never reused
Internal UUID01a0aea3-66f4-75cc-9b59-2233ac65bcce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100713
StatusPUBLIC

Content hashes

Canonical texta56c909d5bd2a4324f515051756471d17efc1de70b81849a7b35a8abe12e5eec
Markdown3b8cf91f2320a71ae9e324dd9e30b9b6940fb0cd91cf7590d3e5fc32e2a5e215
PDF
Publication pageed0fa7e5f3f8dd02537728754550ccfaead6f58baceb21eab397e38acc4e85c3
Manifest97ec5efd257da41f8c1608f03f9e27c98f6b774f27e7c8496e14feeff9d04407

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
SignaturevSxzd2MVLA0yzvje6Z1BOOIsIXQI5I8sqcizZCv2ce9JZMSzSzGMmFLnMawLeHN0SF1/eLZLK+DAitHoaYmsAw==
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

2026-09-17T09:27:32.220629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100713
observed ed0fa7e5f3f8dd02537728754550ccfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.202933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100713/manifest.json
observed 97ec5efd257da41f8c1608f03f9e27c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.185545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100713/publication.md
observed 3b8cf91f2320a71ae9e324dd9e30b9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.165962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100713/publication.txt
observed a56c909d5bd2a4324f515051756471d1...
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.