OpenTechnical

OT-2026-000066939

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066939) never changes.

Identity and time

Publication numberOT-2026-000066939 · never reused
Internal UUID01a0ae8f-14fd-7513-89a2-abc5ed307eb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066939
StatusPUBLIC

Content hashes

Canonical text40d7ddc7c167064bbfb68aa2b3e486fa99de3287a624248890bdf94e5063bf36
Markdowne0ac9f2916abaf2d9e65f39b07a9f74ac09899acc7ef9ab516ae6901cdec9dfd
PDF
Publication page7a47add1708c0c59c174e82090a62899dccb8f67157fe2f131cc45e26d80cc04
Manifestda2d0416806159c10b86e28ace5c3e56f3d325cd97a5626a55fd2119490b9b6e

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
SignatureMXPc20g+ULgJpEugZg2tTtAeK/UwmknHT9QFr+S6Wvv9UsmI7Rr23qOscTpAQLW4ZGf0EutBTR1PWSlgGtcNAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:09.077591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066939
observed 7a47add1708c0c59c174e82090a62899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.060392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066939/manifest.json
observed da2d0416806159c10b86e28ace5c3e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.043478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066939/publication.md
observed e0ac9f2916abaf2d9e65f39b07a9f74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.025649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066939/publication.txt
observed 40d7ddc7c167064bbfb68aa2b3e486fa...
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.