OpenTechnical

OT-2026-000103339

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000103339) never changes.

Identity and time

Publication numberOT-2026-000103339 · never reused
Internal UUID01a0aea4-be3f-73bb-ba8d-0cbb2eb76b13 · 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-2026-000103339
StatusPUBLIC

Content hashes

Canonical textf420ab19bff01e4e39e722bdb24fec21a5c9591b4289a1422562528b69844adb
Markdownb78029ecee5c6ca3519528608677b1904fac154f80abd52c376b8dbc0f0c97cb
PDF
Publication pageaa00a997a690ac34c95148f0ea783b2f99a2f3f8f7b059f1213fe258f723769f
Manifestae56f72d8938f00ad1e3059240c8b03272aa4f90f38a9c757f709faa062e349d

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
SignatureZ8E4KvHnEeFPRbGP1D4d5Zog/pFmxzordpMeaDOiCB923ZbyukAeS6vPwbJJPJXPLKNLso1Q28G8L6oWeRhRBw==
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

2026-09-17T09:23:35.850014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103339
observed aa00a997a690ac34c95148f0ea783b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.832223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103339/manifest.json
observed ae56f72d8938f00ad1e3059240c8b032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.813855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103339/publication.md
observed b78029ecee5c6ca3519528608677b190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:35.793929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103339/publication.txt
observed f420ab19bff01e4e39e722bdb24fec21...
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.