OpenTechnical

OT-2026-000030831

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000030831) never changes.

Identity and time

Publication numberOT-2026-000030831 · never reused
Internal UUID01a0ae74-3fb5-75f3-8168-7a4711d746a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030831
StatusPUBLIC

Content hashes

Canonical text9364e26816ecb9ce2fd0242cc4225124a198a01b2734b425a915bf5a147e3f84
Markdown192d82304e45785aada6554be49ff9eec98400d9f165fbaa134cfd22d4f433f2
PDF
Publication pagef7f1828e457137ce6a5682abc5e706fee7e365150c4deffecdd61810787f5be4
Manifestc5ecf48eaaeabac04c4a2d9d1866e9b56edb8dfb9b6e22e5b863e4817cf05fbd

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
SignaturenxVu/6aBxJHgDmi7ztDOyA7RUwgDON+FrqPjPeN8D6i4dg1Se6GSwcrIJ+H1kH+mqTPJKisuWDSPwLmRfvadCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:43.164675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030831
observed f7f1828e457137ce6a5682abc5e706fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.146621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030831/manifest.json
observed c5ecf48eaaeabac04c4a2d9d1866e9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.128472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030831/publication.md
observed 192d82304e45785aada6554be49ff9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.102775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030831/publication.txt
observed 9364e26816ecb9ce2fd0242cc4225124...
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.