OpenTechnical

OT-2026-000040442

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000040442) never changes.

Identity and time

Publication numberOT-2026-000040442 · never reused
Internal UUID01a0ae79-2701-7534-a403-9f652757dacf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040442
StatusPUBLIC

Content hashes

Canonical text5ecdc9c08252f585515c7fae76d313baec8730ae01ea2e0074a23c7d06885f6a
Markdowna04b4708e72417700e863af0afece43c406358046e191305121b8d3dd65b971c
PDF
Publication paged072ff3c3398ef7304d571f51d0853936a8cd809d2582a6964dd320e0f8db37d
Manifestab8d599ceff64f726e4a61d2fe74c6f85e40e64462e41364b4e9b9cfaff8ec54

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
SignatureZfQfUEC3zdlpMMBOSZCzS9nbvg4TkgQ9O3q1Gnd1EhgfZVQ56XNUh3I/y0JIcneVGSvWZ0eM9ZQXE2xZ6a70DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:29.111760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040442
observed d072ff3c3398ef7304d571f51d085393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.093562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040442/manifest.json
observed ab8d599ceff64f726e4a61d2fe74c6f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.074969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040442/publication.md
observed a04b4708e72417700e863af0afece43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.058529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040442/publication.txt
observed 5ecdc9c08252f585515c7fae76d313ba...
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.