OpenTechnical

OT-2026-000050119

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050119) never changes.

Identity and time

Publication numberOT-2026-000050119 · never reused
Internal UUID01a0ae81-fd79-7fd2-9ce2-20a67ad21152 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050119
StatusPUBLIC

Content hashes

Canonical text4bb7e658e45ae1e5ca561ed156935123614238b9085dcc58184d1d51f01dc9f2
Markdown203e31deb56f87dab83f5a1f02aa2420a48fd32b7a13ea4010a334e7a5fa28cb
PDF
Publication pagecad844a1c93b7355fad20934a95bdddd485dd3923d9d58d08ecb259ab19804df
Manifestec8d4e71e9bca4e238cc47245a12b3dab9d9b75d8e174fe3ec92c011ad182b61

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
SignaturebueW87bASka7/lDjAon+GIjtvquJ2H/3k1bIq4YdSizyr4x9oRs8kA/0bkybIqPT/a6uqCOBsPKQ2ZNMbci7BA==
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

2026-09-17T11:02:07.444993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050119
observed cad844a1c93b7355fad20934a95bdddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.427021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050119/manifest.json
observed ec8d4e71e9bca4e238cc47245a12b3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.409287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050119/publication.md
observed 203e31deb56f87dab83f5a1f02aa2420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.391311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050119/publication.txt
observed 4bb7e658e45ae1e5ca561ed156935123...
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.