OpenTechnical

OT-2026-000100432

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000100432) never changes.

Identity and time

Publication numberOT-2026-000100432 · never reused
Internal UUID01a0aea3-66ef-7d62-b1ba-c1f75f917929 · 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-2026-000100432
StatusPUBLIC

Content hashes

Canonical text35881ebeada2bf692744d7e39ba53ec5831107090080f0e8f76ef2caec58109c
Markdown1ed0a46b580a0079e4edd7f7723d159f769e24779b4e666cd4563cf4fd11ac3e
PDF
Publication pagec0d51d837c8702e66eaec9bbae12aa545ac6a12be15cfbe428c9ce16e4ecb79a
Manifest46b39fedab0308ed912582858341d94d91ebbe422e045fb0d0ff91ca1d2292e4

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
Signature9WWNeAaChdzQFigOB+/CL4eTdX+36AW5hF/vyTS2oDNkBySM/bud75jycDL7uU65fquwDhzPVN1LM0K/G+LJDA==
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

2026-09-17T09:27:10.476939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100432
observed c0d51d837c8702e66eaec9bbae12aa54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.457673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100432/manifest.json
observed 46b39fedab0308ed912582858341d94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.437381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100432/publication.md
observed 1ed0a46b580a0079e4edd7f7723d159f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.419099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100432/publication.txt
observed 35881ebeada2bf692744d7e39ba53ec5...
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.