OpenTechnical

OT-2026-000069666

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000069666) never changes.

Identity and time

Publication numberOT-2026-000069666 · never reused
Internal UUID01a0ae90-b52c-75ba-81b8-f396c463d546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069666
StatusPUBLIC

Content hashes

Canonical text3cb1b541cb8d3d617fc846e36d58aab3e4a4d5afa3235c86a38237e6a71770fe
Markdown7707f4887570df23581101c774341d34913c9a8a0e3073ba69654bbb3b4ff0ee
PDF
Publication page6af665d74cb63b883d27cc532075f3f0b075ea50633b6cc87799ca24762fa16b
Manifest5351abffd8d4374f2f8b1ee0791a32fa5e59902dbc6089e462f8357f1a7130f7

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
SignatureifVUFZNhaYfmbgZO+3xkdQe3W1q+kCkrqd+RHZpe/tU5aqIQJY9D3uraaOOUSaoCEyqssK/Kf19ui7FoNT1aBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:20.162358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069666
observed 6af665d74cb63b883d27cc532075f3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.144561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069666/manifest.json
observed 5351abffd8d4374f2f8b1ee0791a32fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.127482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069666/publication.md
observed 7707f4887570df23581101c774341d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.110880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069666/publication.txt
observed 3cb1b541cb8d3d617fc846e36d58aab3...
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.