OpenTechnical

OT-2026-000017421

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000017421) never changes.

Identity and time

Publication numberOT-2026-000017421 · never reused
Internal UUID01a0ae6e-76c9-7506-8668-93b1a8af74ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017421
StatusPUBLIC

Content hashes

Canonical textc0d951e0f416fc3a63a54731becd95e23ea985a4e41b518d220be42de342ec6d
Markdown3a8886ccc337e977df3bdc9797e198980bd2ed5b05038614cb8b22a3e1d10ef5
PDF
Publication pagef5f45dd507c8843a02d78d4b849523a92a53ac2067bb20854acc88f4c04827f1
Manifest89b27dd0f441a478f37aef0f5b290f6074e147889742b7f4414be73862c16313

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
Signature1l32jez+Av3SgrZWaZtbCZlZms6SdiU9kRIhC3hqPIqCUrcvJw1835wCkudL3ZY1ggpcPdyqDw+v0NFLEmf1Aw==
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

2026-09-17T12:02:33.032870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017421
observed f5f45dd507c8843a02d78d4b849523a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.015736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017421/manifest.json
observed 89b27dd0f441a478f37aef0f5b290f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.998365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017421/publication.md
observed 3a8886ccc337e977df3bdc9797e19898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.980514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017421/publication.txt
observed c0d951e0f416fc3a63a54731becd95e2...
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.