OpenTechnical

OT-2026-000030691

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030691) never changes.

Identity and time

Publication numberOT-2026-000030691 · never reused
Internal UUID01a0ae74-3fb3-7dd2-b9b9-99d4a4e5f67a · 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-2026-000030691
StatusPUBLIC

Content hashes

Canonical text1d887f56da7598ca85637daec8e149bc254b5c5bd378770731948b40019c3e2f
Markdownb3d14a0454357d664ff7059982ef7424aa03b31b48863e105e488e09d1b6a8ca
PDF
Publication pagec2d63cd19889d0dcdcc964e21db50e1f6d998ec2d27369bc5df63fd818bb50e4
Manifest8445b17c88fd50a47826725f950855c8e57c1bf59c0a22809c7b08742e6a0ec3

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
SignatureCixDHez3jVolXW9Ez5KQ9fJXLf6x5w5IZff2hfYGLiQdmQjub874hiEL57UmlWds5OFoQZ6LEoiDHmgHXQ4+BQ==
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

2026-09-17T11:36:36.421847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030691
observed c2d63cd19889d0dcdcc964e21db50e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.404308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030691/manifest.json
observed 8445b17c88fd50a47826725f950855c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.386960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030691/publication.md
observed b3d14a0454357d664ff7059982ef7424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.368292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030691/publication.txt
observed 1d887f56da7598ca85637daec8e149bc...
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.