OpenTechnical

OT-2026-000042983

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000042983) never changes.

Identity and time

Publication numberOT-2026-000042983 · never reused
Internal UUID01a0ae7b-3277-7835-9676-fd76bb5c61b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042983
StatusPUBLIC

Content hashes

Canonical textd6cac12444ff3c5d581ad4737d0c5b0a513298987c859520019389b3d3d45a04
Markdown7831742db3b2b28ad85a840f0088bbd8e34b50e0c0edaef12c110d81a7675614
PDF
Publication page56c3b8a03c40517a9cbb16023e8b4e330a124493be53df21e906c041a18a3640
Manifestd42da404b613f82e99de03f943444a041a436cdb57fa93e9819fab908322d960

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
Signature8XK/FCqRW8SvAJvXKqF3zX7sTWXTxGTBlKl+PzDSOYcmnbCXOHhPis3SsSnM+YkPTL1eayxmvAN+9OP6yaXeAA==
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

2026-09-17T11:13:17.133602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042983
observed 56c3b8a03c40517a9cbb16023e8b4e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.113879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042983/manifest.json
observed d42da404b613f82e99de03f943444a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.094536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042983/publication.md
observed 7831742db3b2b28ad85a840f0088bbd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.075087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042983/publication.txt
observed d6cac12444ff3c5d581ad4737d0c5b0a...
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.