OpenTechnical

OT-2026-000072923

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072923) never changes.

Identity and time

Publication numberOT-2026-000072923 · never reused
Internal UUID01a0ae92-c814-7532-a0f6-bf7ed4db1234 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072923
StatusPUBLIC

Content hashes

Canonical textba0e6d9627e946d96e69a071488cc763ca733316a8324b4319161e1d4280fc0c
Markdowndd99a3a761cd836fd283caf57204c0d15af32600244748e3efa78089e19f4867
PDF
Publication pagec2403c0172518184a867116953eb70898f3fd94133f4e0d678c32a97917846d2
Manifestc1e445fc3b3d59cc415e5d007eb4ec14e23c43042dbe2e4145a97316d6478c14

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
SignaturenTb0t/indPuOL0M23p649i0EHa7kWT4hyup6jEFbssIK3Oj+1ZcwlxF5YIMfohhfDLBteyZkpc68HjsGGNbsBg==
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

2026-09-17T10:21:50.248873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072923
observed c2403c0172518184a867116953eb7089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:50.232572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072923/manifest.json
observed c1e445fc3b3d59cc415e5d007eb4ec14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:50.216522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072923/publication.md
observed dd99a3a761cd836fd283caf57204c0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:50.199234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072923/publication.txt
observed ba0e6d9627e946d96e69a071488cc763...
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.