OpenTechnical

OT-2026-000066851

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066851) never changes.

Identity and time

Publication numberOT-2026-000066851 · never reused
Internal UUID01a0ae8e-ce43-7ed8-bfb3-ce9798d419dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066851
StatusPUBLIC

Content hashes

Canonical text6c61f17072f345632ea259913cb95f71ce217cdb0de04993ebccabba32d49890
Markdown24e5c4e796dd0cf3fbd1fd448be668064034ea838dd390c5b7dd7b4d18743a89
PDF
Publication page1f3f7051eab17dc28b82090ae9191ccece7fc17d56592739905a64c8214bb42c
Manifest52e1d4c61f796f34ce4b297a40dab3c4f64d606ae04f5721da23594dcac560c1

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
Signature4Yrd26MjxI1rFP0Nl4f+L07KnS02fOMiHhpIChPedPe0b8jjiWsoERNj/M73H/GDNAi5BqNoYzqsoibHofK3Dg==
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

2026-09-17T10:33:17.473731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066851
observed 1f3f7051eab17dc28b82090ae9191cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.455508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066851/manifest.json
observed 52e1d4c61f796f34ce4b297a40dab3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.437454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066851/publication.md
observed 24e5c4e796dd0cf3fbd1fd448be66806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.419530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066851/publication.txt
observed 6c61f17072f345632ea259913cb95f71...
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.