OpenTechnical

OT-2026-000102110

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000102110) never changes.

Identity and time

Publication numberOT-2026-000102110 · never reused
Internal UUID01a0aea4-50f2-7560-90b0-be8c8ace9f1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102110
StatusPUBLIC

Content hashes

Canonical textd3962bc34673edc847acc3e2cb3ce2f700a2b9f7387a32890eeb8d7db871d400
Markdown8426a46f1f2ed246ce812aa9a8b6676732fedb7553319ebb775fe8db25a49be8
PDF
Publication page5513b1e493f32d639beb7ccd770d5ac842ee463e397cb52bc5ff60e5425cc420
Manifeste13f7df01d28685131ae99de2437eb3d3ad41b5f084094a6ca21615668a74453

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
SignaturewAEh+Hv8vf7CtTtFGvnPj8QMe0gwGCmZI7mhakTnBH1rf3M/BiefVRm/TGhC8+KpgP7LpsQsilTZum2iLnAiCQ==
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

2026-09-17T09:25:15.724918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102110
observed 5513b1e493f32d639beb7ccd770d5ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.705777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102110/manifest.json
observed e13f7df01d28685131ae99de2437eb3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.687173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102110/publication.md
observed 8426a46f1f2ed246ce812aa9a8b66767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.668117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102110/publication.txt
observed d3962bc34673edc847acc3e2cb3ce2f7...
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.