OpenTechnical

OT-2026-000040081

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040081) never changes.

Identity and time

Publication numberOT-2026-000040081 · never reused
Internal UUID01a0ae79-26fd-7614-9493-13ebbbe0d378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040081
StatusPUBLIC

Content hashes

Canonical textd4cbaa73d83446684cfee77bb230f0549d88263ee3ee2619f83021b24ec19d30
Markdownde6c3b92defcd15dbaf2072811300a24eec2cd9c4889916a7b2ee4820ee9d2d7
PDF
Publication page851b377811302a7bd7b5dd09e6a546c3932f6275a04fb7e8a94cca780724b85d
Manifestaa4cf0cecd5575ea1c3ac19c7c2de4ce43beb1e7f842c616952dda95095b2d1e

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
SignaturezUOMb14bBfwdnaOuYhLdzHHVY30VmpGt07R3qSM05ZvDK5/WMtCLESCAQw+Mwunblr8lOSoeHmpEKpTKtex/Cw==
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

2026-09-17T11:18:55.722149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040081
observed 851b377811302a7bd7b5dd09e6a546c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.707038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040081/manifest.json
observed aa4cf0cecd5575ea1c3ac19c7c2de4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.690358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040081/publication.md
observed de6c3b92defcd15dbaf2072811300a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.673982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040081/publication.txt
observed d4cbaa73d83446684cfee77bb230f054...
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.