OpenTechnical

OT-2026-000052028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000052028) never changes.

Identity and time

Publication numberOT-2026-000052028 · never reused
Internal UUID01a0ae83-e78e-7d16-b21e-ca51a723d0cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052028
StatusPUBLIC

Content hashes

Canonical textb7f9f2638e31363ec43706150fd766fce0ca7f9bd2e34dff88ebd879392c2dbb
Markdown1cb431d8a773226ac60703a3e035754d9616f300e7e985d9187a534ac8545c82
PDF
Publication page3b163886ec6b9d4c869e820c9f7d3719906b2da9350d0350cc38e9b8a063305c
Manifestaa1ff735465b7f6bfaf255676efe55cc263c943636b6f16d29f9afa24a95b2eb

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
SignaturevO2LuR00WvN+PzE/qR0XaagO3cJLqqUeoYBm4enGnEqMIONX5DeJ3vRjSy/jbvlS6QRdM4obTtbyzZ77+/o9AA==
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

2026-09-17T10:57:32.496084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052028
observed 3b163886ec6b9d4c869e820c9f7d3719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.480554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052028/manifest.json
observed aa1ff735465b7f6bfaf255676efe55cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.463357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052028/publication.md
observed 1cb431d8a773226ac60703a3e035754d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:32.445937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052028/publication.txt
observed b7f9f2638e31363ec43706150fd766fc...
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.