OpenTechnical

OT-2026-000040174

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000040174) never changes.

Identity and time

Publication numberOT-2026-000040174 · never reused
Internal UUID01a0ae79-26ff-76dd-a06b-e2733656c978 · 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-2026-000040174
StatusPUBLIC

Content hashes

Canonical texta4c47c9a09ea15998b0b19afa06f96ad6cac0476133dcbe28b8094dfadfb6bcf
Markdown6132c31407c983cbc4600f92a1629c3628f77ea93b2fa56395bf488f85d839f0
PDF
Publication pagedb250df22e0446cfa97479063eb1339a978e8a76b90bd348685357619dbc2bc4
Manifestd261367c4ebcc11fc1264954e8ea6189a650df38a2163eb807dece5b071988c6

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
Signatured53vvFisGueXNLtTOQJcmUa+dPbyYZFdk8ryWmIYqXGpS41mSOrlcybRKoP3Li+1E26JeqSCY7wdgH2jsV8tBA==
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

2026-09-17T11:19:03.152913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040174
observed db250df22e0446cfa97479063eb1339a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.136794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040174/manifest.json
observed d261367c4ebcc11fc1264954e8ea6189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.119845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040174/publication.md
observed 6132c31407c983cbc4600f92a1629c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.103373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040174/publication.txt
observed a4c47c9a09ea15998b0b19afa06f96ad...
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.