OpenTechnical

OT-2026-000031653

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000031653) never changes.

Identity and time

Publication numberOT-2026-000031653 · never reused
Internal UUID01a0ae74-bad0-78e3-afb0-ecfab1d123a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031653
StatusPUBLIC

Content hashes

Canonical texte37db61170ab21732f79d9453342cf51aebd0fd349a1fa6dfd646c2096afd74a
Markdown51ae93ec21cb8381b5369ce4206586f2232e7616189c8d495d0a94411ed1c85c
PDF
Publication page993fdf301083213a561369c04c3cff3ce44cf5c36069aaa635f1a77a1455395b
Manifestb4aa2a51946277a02f9fbd629a7d018f0b2301eec00b436fbe9e075f74849226

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
SignatureCvC5JeYihqfAJaSdLuaI7ui+Sb2Yl5D8xArAUCC0ljPdFgRbxea3DbP9114vHn6V4oJ7FOqA+E7hJZo0rm6FDA==
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

2026-09-17T11:34:42.639945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031653
observed 993fdf301083213a561369c04c3cff3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.624091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031653/manifest.json
observed b4aa2a51946277a02f9fbd629a7d018f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.607334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031653/publication.md
observed 51ae93ec21cb8381b5369ce4206586f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.592418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031653/publication.txt
observed e37db61170ab21732f79d9453342cf51...
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.