OpenTechnical

OT-2026-000026686

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000026686) never changes.

Identity and time

Publication numberOT-2026-000026686 · never reused
Internal UUID01a0ae71-f4aa-7d48-8366-2b88f7de700b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026686
StatusPUBLIC

Content hashes

Canonical textc86e3254f4576b8b54d4f08447af1adf35f0adb3b3abbd2d9ddaa66f676e5465
Markdown847dfd43edf0b08c88154cdb51e0782d5cea716191215e764ed4acc7669f0635
PDF
Publication page12541a9d418ff0f275310920fb3253a8bf81a4c7678f0edd90c791f0c60ffd2f
Manifest58fb2d32d8c4d84052563d89049557973ceda6e71833ae29c5b612f245ff91b9

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
SignaturelGJ59k0clyBV4mqqYwZ7gg+BEheIUFsyt1HWPh2gb/xn7XX7h0h3SZ0ueB/nvPGp6yZVwT5qVodMeSx/TkH8AQ==
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

2026-09-17T11:45:46.426391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026686
observed 12541a9d418ff0f275310920fb3253a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.402599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026686/manifest.json
observed 58fb2d32d8c4d84052563d8904955797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.383303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026686/publication.md
observed 847dfd43edf0b08c88154cdb51e0782d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.365304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026686/publication.txt
observed c86e3254f4576b8b54d4f08447af1adf...
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.