OpenTechnical

OT-2026-000086250

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000086250) never changes.

Identity and time

Publication numberOT-2026-000086250 · never reused
Internal UUID01a0ae99-e82c-7575-9499-a14f25925d4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086250
StatusPUBLIC

Content hashes

Canonical text61e9c6e6a82662777a6e17f282c165038993f2353aa8a3cd666d6e657f0a0bab
Markdownf9086b4a546d7632e82a0ffd8efb26faf87a4876de1a47b8ef4381b055980267
PDF
Publication page8a84f548d9c0a9470d6934a71d5bbaff1a7a4c66338190f79882fb81dd7f4829
Manifestf15e57f01aa55a5d89f30da4032b1b58d4eda393a8348cb2ccedc0aa936032d0

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
SignaturejiTJUlx1FCu5lE4tegS8oCThJTzYjHwU89INrI/niLd1Bw9JbVC7qUaMFct1L2G55oL7mQepEkQfY6hyWU/7Cg==
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

2026-09-17T09:52:53.004769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086250
observed 8a84f548d9c0a9470d6934a71d5bbaff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.986094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086250/manifest.json
observed f15e57f01aa55a5d89f30da4032b1b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.967582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086250/publication.md
observed f9086b4a546d7632e82a0ffd8efb26fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.948522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086250/publication.txt
observed 61e9c6e6a82662777a6e17f282c16503...
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.