OpenTechnical

OT-2026-000043439

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000043439) never changes.

Identity and time

Publication numberOT-2026-000043439 · never reused
Internal UUID01a0ae7b-327f-7952-88a0-4ff362663ab4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043439
StatusPUBLIC

Content hashes

Canonical textc1dad174efaa2ee420b58e0c0be75989267c7047198fb266b1da83f9f6a27ea3
Markdown531c4ac66f412c8a42ba80eb6c4056d740cc6dcc4c15e4af31c64a191a08dbc0
PDF
Publication paged942dbb2bc28d2fb8833d6f78bd328d24c97acbec15d9eac6edbf305d2283b65
Manifeste243092334eecc02c5cffe96192d25a0a3d28679931d0be36c96bf52af0dfc4d

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
Signaturer58d5/E+b/PD95r+YnugGnL4oun1Vb5QZZRjjvmB7AT3M04MvV6jZCK6abJe0f4jFeVQYYGS08ZN6t6E6JerCA==
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

2026-09-17T11:13:59.238923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043439
observed d942dbb2bc28d2fb8833d6f78bd328d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.219651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043439/manifest.json
observed e243092334eecc02c5cffe96192d25a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.200018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043439/publication.md
observed 531c4ac66f412c8a42ba80eb6c4056d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.180785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043439/publication.txt
observed c1dad174efaa2ee420b58e0c0be75989...
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.