OpenTechnical

OT-2026-000018235

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000018235) never changes.

Identity and time

Publication numberOT-2026-000018235 · never reused
Internal UUID01a0ae6e-b488-73b4-8d80-9cb41fdfa738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018235
StatusPUBLIC

Content hashes

Canonical text595b5ced4986236b15e376228de71b38875d6b0010299116a0ab26bd178e055f
Markdownd45ffba773a39b092b7b64b0f40267df8dae4df5a1b0420bd160a742717cba87
PDF
Publication page58096755337a2e014592a23413e50a34575fd7621c9c6d204d58f5c5d7c929b9
Manifest8d56c3679ea60056453ef5948748f303e95073082ae55d1f0c76ab4b5664a914

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
SignaturegJB2WrpzU0roxGnDDmYrvGkD2oMWfZHXyECBET/nLYCjGHqjSPe1NWh6L0XhVFeE9cjx+t8EJTTpOwpPTdNoBw==
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

2026-09-17T11:59:49.785051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018235
observed 58096755337a2e014592a23413e50a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.766024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018235/manifest.json
observed 8d56c3679ea60056453ef5948748f303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.723783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018235/publication.md
observed d45ffba773a39b092b7b64b0f40267df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.683055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018235/publication.txt
observed 595b5ced4986236b15e376228de71b38...
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.