OpenTechnical

OT-2026-000032140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000032140) never changes.

Identity and time

Publication numberOT-2026-000032140 · never reused
Internal UUID01a0ae74-f7a5-75fb-afab-b14555ad70b1 · 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-2026-000032140
StatusPUBLIC

Content hashes

Canonical text50219a265e8f7a87a8ff51ed9d48f65d2965a615dda31e1c2b1a4ed370e94f63
Markdown573e1f056987391d33d5da54162080f13cf0b6b9b312d082e034c848aba0caa1
PDF
Publication page8cc7d1ad6c3832e38557ef157c9b2301cea7758b24645a4fef6e1b95cb10d879
Manifest87b8f44a1c828d1453579ecdc765e9e9d3788b96b20aa44b5cbc8228ce72ff3c

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
SignatureTvigs+u2XgjUxfkCdyL8SjiirGsO29LaFG2i11pj5xnhGKhzg02RE7TeroPwOLNHk6K1qy91QIFNGkYqQqtbDA==
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

2026-09-17T11:34:27.641160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032140
observed 8cc7d1ad6c3832e38557ef157c9b2301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.623570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032140/manifest.json
observed 87b8f44a1c828d1453579ecdc765e9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.606611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032140/publication.md
observed 573e1f056987391d33d5da54162080f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.589486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032140/publication.txt
observed 50219a265e8f7a87a8ff51ed9d48f65d...
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.