OpenTechnical

OT-2026-000089875

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089875) never changes.

Identity and time

Publication numberOT-2026-000089875 · never reused
Internal UUID01a0ae9c-428d-75f7-ada7-94850009a856 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089875
StatusPUBLIC

Content hashes

Canonical textd2a78e86c74acbdf137ed94cb1b57c3ec085ce8c3059310dd11b062cf658eb91
Markdown73b8b0490bb3e22e786f010deb0f1986b543986bf98f9d3ee23864bd70d07640
PDF
Publication page936c95f83288ad834dd234a04f95364bd03125c7d97d28ba4e78ec2aba25cd20
Manifesta8f6477f10359402230b126b3341779e50f7fd562b745e3b0324fda4e232f65d

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
Signature7hZ4bm806umTK3K9Yvce9Pu5qQrEcB/gEjWbuggT4HOu6EBEs7ApwD6rUdyUgZdd0vZ/tfEXBuVHDLaDTFRJBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:07.887778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089875
observed 936c95f83288ad834dd234a04f95364b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.869769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089875/manifest.json
observed a8f6477f10359402230b126b3341779e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.850503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089875/publication.md
observed 73b8b0490bb3e22e786f010deb0f1986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.830934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089875/publication.txt
observed d2a78e86c74acbdf137ed94cb1b57c3e...
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.