OpenTechnical

OT-2026-000032219

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000032219) never changes.

Identity and time

Publication numberOT-2026-000032219 · never reused
Internal UUID01a0ae74-f7a7-7e5c-8272-3b7311aa5225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032219
StatusPUBLIC

Content hashes

Canonical textbfe7ba46a529efc56c42263ada51571586cc73cb10262d10dd1b0eea03fd0521
Markdown3dd4667c5844dcb8cd1a9cdba884bd92c9bd4b5c9c924a4ae7600aed4584bf2f
PDF
Publication pageb572004dcbb0deaa41610dd87e78ecedfa4018c8061bf5040abd43dfff98aa36
Manifest7da6587869d4fd472e6a0c056875518f27415d9bf628bc29a0ddd94766eda533

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
SignaturemZtk9s6DR64FQLLKc956pq3Fddyn/AHHsFc0ZARKzuNtQcm5f7kJ1vyJvOcCRBaeclMOnz8sAlIS33BgIOv2AQ==
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

2026-09-17T11:34:34.139173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032219
observed b572004dcbb0deaa41610dd87e78eced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.120718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032219/manifest.json
observed 7da6587869d4fd472e6a0c056875518f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.102766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032219/publication.md
observed 3dd4667c5844dcb8cd1a9cdba884bd92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.082305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032219/publication.txt
observed bfe7ba46a529efc56c42263ada515715...
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.