OpenTechnical

OT-2026-000103963

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000103963) never changes.

Identity and time

Publication numberOT-2026-000103963 · never reused
Internal UUID01a0aea5-15e8-7d5e-9374-547563546394 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103963
StatusPUBLIC

Content hashes

Canonical text9ff4b9f106507933f5c681d4e9fc8bde534433966584c06ba2e5d8e6862a9ece
Markdowna11bc41f675f2cf626f2ffdec13e8d910e183bf8464d3b6a2018b80aff784c3c
PDF
Publication page394fdae6302b1dbf966fc5fdb446247b66d0e374dce53f49593af6dc20511921
Manifest58d2aa0222210317552ec275bf8369acb4a6884c1098bacba52353b7a1197c8f

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
SignatureUjDzvnXoPVPx0ld616ob0aDXtImFR67aHhnq2+osDgsrQewA4dJvCBAa42TWwh1PWQIUOwqyyo2Bq0ZLd3LPCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:58.028967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103963
observed 394fdae6302b1dbf966fc5fdb446247b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.011302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103963/manifest.json
observed 58d2aa0222210317552ec275bf8369ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.995918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103963/publication.md
observed a11bc41f675f2cf626f2ffdec13e8d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.978363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103963/publication.txt
observed 9ff4b9f106507933f5c681d4e9fc8bde...
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.