OpenTechnical

OT-2026-000047493

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047493) never changes.

Identity and time

Publication numberOT-2026-000047493 · never reused
Internal UUID01a0ae7f-3e58-77ca-97e1-f629c2a20849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047493
StatusPUBLIC

Content hashes

Canonical text78b947b99029ce049cfd28bf287cd2da7444ad93a01807a0897756296d434ab2
Markdownba84cec30bbb24589db67792890a76351cfff6e5abe798400a349a36a69f6518
PDF
Publication page2a87bf57010d197165289b86431df32383acb50ae976b052b60e1d14f0800a01
Manifest828bc7e2d0a0c82b862c3060d02b5854c1f0f8d00c516e2002820a6137ea43af

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
SignatureDILA2M7Xbbrwp5Jp+a6qwKeAKstM9Jpo91lUXosOEdgB+g4mmvmOIAwrFYh7qQKpkSC6VnYXuE5bEkW/Aav5Bw==
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

2026-09-17T11:06:32.141785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047493
observed 2a87bf57010d197165289b86431df323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.122531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047493/manifest.json
observed 828bc7e2d0a0c82b862c3060d02b5854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.102909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047493/publication.md
observed ba84cec30bbb24589db67792890a7635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.084645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047493/publication.txt
observed 78b947b99029ce049cfd28bf287cd2da...
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.