OpenTechnical

OT-2026-000078857

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000078857) never changes.

Identity and time

Publication numberOT-2026-000078857 · never reused
Internal UUID01a0ae95-ccbd-7453-922b-32849975ea9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078857
StatusPUBLIC

Content hashes

Canonical text0aa09984f75306968a31ad6f786102cb5d0694ce122a7dbe21b6804c081d815f
Markdown2b1dab05972f486260661510a0d561189963fad8ee8da6c45da98d4e3329f7ce
PDF
Publication page56f67ad58c5b67454d8f428b06f2750c6414bde641e206b4da18afd5549d0f30
Manifest89e6c05d6badcc744506d33ce9c2137ac934b20320cc400329c00cc59cc133d2

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
SignatureWcupwd1aQYO26ZuxZXQCSVJuN46u/ZmExfpWQ7V98lY9BzhNzWzY28BgtQlzsaR/KEOnzTe1ZCZ3mPADdaeTDA==
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

2026-09-17T10:05:39.377976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078857
observed 56f67ad58c5b67454d8f428b06f2750c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.359520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078857/manifest.json
observed 89e6c05d6badcc744506d33ce9c2137a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.341524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078857/publication.md
observed 2b1dab05972f486260661510a0d56118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.322441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078857/publication.txt
observed 0aa09984f75306968a31ad6f786102cb...
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.