OpenTechnical

OT-2026-000013029

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000013029) never changes.

Identity and time

Publication numberOT-2026-000013029 · never reused
Internal UUID01a0ae6d-5564-7116-82a5-88b4043d638f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013029
StatusPUBLIC

Content hashes

Canonical text63507ae17bc779d1a23cf4384fbb5378ad5fb9f46551caf0adf117302cde635c
Markdown9e796167894bcb26fbff6521f378ab9fa50324273b1170871312567195845910
PDF
Publication page78d3e70fe0cca439d3b81a38521bfd95cc2e31115d477328286144ceee32e896
Manifeste9e7132b05491f0a0c9ba7173b48275ac46d75ef3be592cbc7e41e04bd998567

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
SignatureGtf1RIz/emgK+Ie7D26y64EteQ4M7C2jrjdUY8HGqniKe/XvdyqNhUZnHz/Uvrsa8vUD0G+XavShcx+R+kyzDA==
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

2026-09-17T12:10:51.423818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013029
observed 78d3e70fe0cca439d3b81a38521bfd95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.405530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013029/manifest.json
observed e9e7132b05491f0a0c9ba7173b48275a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.386490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013029/publication.md
observed 9e796167894bcb26fbff6521f378ab9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.367850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013029/publication.txt
observed 63507ae17bc779d1a23cf4384fbb5378...
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.