OpenTechnical

OT-2026-000027503

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000027503) never changes.

Identity and time

Publication numberOT-2026-000027503 · never reused
Internal UUID01a0ae72-6998-70ea-89ba-abf75f16e689 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027503
StatusPUBLIC

Content hashes

Canonical text12962b9abba99015afe19e937d44ab4f414363870506519b9016543c2449b203
Markdownaca59d0ca436954d8775292d080a1b4e334fb773f8409de53e0a4d8f4196429b
PDF
Publication page8b124a2c04eb3bbd70c81cfd79a62ebb61d7d24a96a688c515fd0b1ff48557dc
Manifestce140a822efaa58deb54b340551e87c04eac344aca75750f8294c918a3c9b976

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
SignaturevNDLIxyXv6Y0OYwgcnErOLJ9/GaZH+wM02jEBh2qCPq8COph9WnftMS22sU3hKlg0I6qSMTjGtUj5b8B5isrCQ==
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

2026-09-17T11:42:58.441553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027503
observed 8b124a2c04eb3bbd70c81cfd79a62ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.424025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027503/manifest.json
observed ce140a822efaa58deb54b340551e87c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.404458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027503/publication.md
observed aca59d0ca436954d8775292d080a1b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.381673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027503/publication.txt
observed 12962b9abba99015afe19e937d44ab4f...
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.