OpenTechnical

OT-2026-000047834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000047834) never changes.

Identity and time

Publication numberOT-2026-000047834 · never reused
Internal UUID01a0ae7f-c421-7bd3-9ad7-54a1feafbc2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047834
StatusPUBLIC

Content hashes

Canonical text3c13874c899b8b9d311c9ac3ea8821cda4bcfa642ee1ec97e1e602d2353012d1
Markdown720df361c569387626f1091fbd02add27a66eb8df85343e478ac7929d6d24a53
PDF
Publication page35ebaedd5396f1c2be7ea88ea3d9170f0ae1b4c2ca86d5bfb6f721ac4b3ea008
Manifest01c18dbe42a36a86327ccbeb170cf00d78d2844a7cf76a4cb2a0f9ab6860e9e8

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
SignaturehGim9+j77weFcP10mnW0Z46FI/e0/MhN6JUZwA74rRmQloGR2cHKX7fLKrnslPH3W34GyvnFmH9RMTnW6AxeCw==
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

2026-09-17T11:05:44.920100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047834
observed 35ebaedd5396f1c2be7ea88ea3d9170f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.901397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047834/manifest.json
observed 01c18dbe42a36a86327ccbeb170cf00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.882189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047834/publication.md
observed 720df361c569387626f1091fbd02add2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.863158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047834/publication.txt
observed 3c13874c899b8b9d311c9ac3ea8821cd...
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.