OpenTechnical

OT-2026-000077263

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000077263) never changes.

Identity and time

Publication numberOT-2026-000077263 · never reused
Internal UUID01a0ae94-f508-70a3-af3f-095d02285d6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077263
StatusPUBLIC

Content hashes

Canonical text619a3434fc78e88bf87449869a95d275d6da261989f325edbe93515c6af3d80d
Markdown976bfe74d5c0b932d932c7f9b6b0e88de87425f6628a0d5064376eaa4e543394
PDF
Publication pagea55eb3a49e9e6b8c63ad32183771cfe55afabb638d88d8cfc9359c92c69c3413
Manifest2ced4b50a7271a55517a0b2dffa24df1ef33bda39e3ae6bc98b1e72f46664f56

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
SignatureuJB3SWEq6SwPg6d9Xxm4lu8hvzBg72hZHdfsW63RODp913uyWQ0yNsOBsQq3L4d9FgxtX3jx02vFF+D/Af5gCQ==
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

2026-09-17T10:08:53.414488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077263
observed a55eb3a49e9e6b8c63ad32183771cfe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:53.387998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077263/manifest.json
observed 2ced4b50a7271a55517a0b2dffa24df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:53.362861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077263/publication.md
observed 976bfe74d5c0b932d932c7f9b6b0e88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:53.341784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077263/publication.txt
observed 619a3434fc78e88bf87449869a95d275...
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.