OpenTechnical

OT-2026-000070023

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000070023) never changes.

Identity and time

Publication numberOT-2026-000070023 · never reused
Internal UUID01a0ae91-1861-7289-9e97-a2d9b99abddd · 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-2026-000070023
StatusPUBLIC

Content hashes

Canonical textee40d10bdf2b66457880c85f618296cd3bfdf1b3fc7ed3bfe7bf858b68fda28a
Markdownc6ee1443c3d3c0686effa97d08448a5fce5870b11d3a40c3123c94b3dcabaf99
PDF
Publication page6ce1239eabe4c4cba8ec9d0b51a6b47f11b6a2f667076ce195e73b632b991f09
Manifest92f88990f1c52e8bc03ad599222dfdf843a430b4d75d2b92e999e75fa0fbba2a

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
SignaturefPdPwwnwJzJIC9sBcn3SfeeI2K8u4kaYyxDKAkCDNJfeNMcRMPm66I4OES6h6IWSjZVxVl3EY9BgrxlRIv0TBg==
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

2026-09-17T10:26:58.539849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070023
observed 6ce1239eabe4c4cba8ec9d0b51a6b47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.522546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070023/manifest.json
observed 92f88990f1c52e8bc03ad599222dfdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.506885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070023/publication.md
observed c6ee1443c3d3c0686effa97d08448a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.490199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070023/publication.txt
observed ee40d10bdf2b66457880c85f618296cd...
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.