OpenTechnical

OT-2026-000055828

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055828) never changes.

Identity and time

Publication numberOT-2026-000055828 · never reused
Internal UUID01a0ae87-0a49-7d9a-a821-ca9c9b8da05f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055828
StatusPUBLIC

Content hashes

Canonical text1188d9dc7bc057902e20f34c0da65258e02b5151cbdd4e4b41a8fa0811d89d51
Markdown69e7637a717a4de7371d4d81c3ff30a7ec99e357e5e2b984a88c37eb226543b7
PDF
Publication page437c0855bc73943de790083df9280bfa6ae2ee8f89219e314e7efb44892cf7b8
Manifest2afef23a25cc37c9be31e2566256cb385ac4a8340787f19064a10daf45b6a55a

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
SignatureSIhVlhmjVKF4xT13WEkFkWsCr3lSFmNBoVCIM1P9T8XN1JhxC9FBwmkuB8nNEtGf3nJGiSCaCuToNMLEH8ldDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:12.776635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055828
observed 437c0855bc73943de790083df9280bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.759451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055828/manifest.json
observed 2afef23a25cc37c9be31e2566256cb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.741260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055828/publication.md
observed 69e7637a717a4de7371d4d81c3ff30a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.722726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055828/publication.txt
observed 1188d9dc7bc057902e20f34c0da65258...
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.