OpenTechnical

OT-2026-000069937

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069937) never changes.

Identity and time

Publication numberOT-2026-000069937 · never reused
Internal UUID01a0ae91-1860-7dea-a7a6-82720a563cf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069937
StatusPUBLIC

Content hashes

Canonical textee1a5689c611a8a236613e639e5c8acee87dd428bbee36080442af5cbd2eac08
Markdownfb2d3352ea6757f1198d6da5b64b21b215f00ad23789b631d264578e652ba6a6
PDF
Publication page94df0758d264454299ccf8c3ab04ff5238c75892a3b4249798c9eb48baebfadc
Manifestb6e7118f718d400490b7be5bf15cd2817476a9f114b2cbb796f37167f4471a53

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
SignaturefhCnTNaLcxDY2NjBuLpb6lTXajx946gFQ2EkBDwGCJmnoQcrv328oKz98w2/eWszKMznqQZc6/oSUCtzv2R3DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:52.530708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069937
observed 94df0758d264454299ccf8c3ab04ff52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.514212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069937/manifest.json
observed b6e7118f718d400490b7be5bf15cd281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.497176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069937/publication.md
observed fb2d3352ea6757f1198d6da5b64b21b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.478512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069937/publication.txt
observed ee1a5689c611a8a236613e639e5c8ace...
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.