OpenTechnical

OT-2026-000103289

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off after set-down

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-2026-000103289) never changes.

Identity and time

Publication numberOT-2026-000103289 · never reused
Internal UUID01a0aea4-be3f-7220-9825-c9abda67785a · 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-2026-000103289
StatusPUBLIC

Content hashes

Canonical text7190014175c66cfad291724a476c0e0d334069175dbda9249c433e3bf571f65f
Markdown19cc32830e39054fc0d75b762ce8493272058bc9c5ca8ec6e1f39eee687059af
PDF
Publication page5ee29acc56c389064597aa30be27f88b50428654b9fae2cb3c067e193cde706b
Manifeste73d5d30b842f0806480b08514875cc479440ef81e1b67ca5791cc79c71cb7cf

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
SignatureLTmtaFIbwbLsKP1EHoiDUZnFyT1iHRCwMqqtVfIfOC95w14AFwbawSD4TTrL6+zDL6aVvOwyyuj9m3tgoJ5bAA==
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

2026-09-17T09:23:32.018627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103289
observed 5ee29acc56c389064597aa30be27f88b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.002155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103289/manifest.json
observed e73d5d30b842f0806480b08514875cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.986226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103289/publication.md
observed 19cc32830e39054fc0d75b762ce84932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.968024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103289/publication.txt
observed 7190014175c66cfad291724a476c0e0d...
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.