OpenTechnical

OT-2026-000018016

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000018016) never changes.

Identity and time

Publication numberOT-2026-000018016 · never reused
Internal UUID01a0ae6e-96fc-79c1-9d5e-ef7f1b739078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018016
StatusPUBLIC

Content hashes

Canonical text520d826aab73067d84070585c6636c604422e92b8a8aa55d06136bd0bdfdd7c0
Markdown80e5bb7e65af36818208d16d1b825f485cdf18a9f6267d6d667742cdea3680e1
PDF
Publication page314c3e1832bd727453106a7dc8e38ea09e445c31d8cd09f22fb3110db8abb858
Manifest9445afe3855715ef5fbae4c5bf5f0ac1c309f7ec11254d4cbf9d68c3570ff794

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
SignatureuedqjTrXP8dz7zyCg8Y741gdtGqNTv3m82RFIp5lHLqztC1BtgkdWVqXqr+IzIx/VSNBSGq7Jw+R5POXJmxCDw==
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

2026-09-17T12:02:02.439533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018016
observed 314c3e1832bd727453106a7dc8e38ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.423765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018016/manifest.json
observed 9445afe3855715ef5fbae4c5bf5f0ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.407282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018016/publication.md
observed 80e5bb7e65af36818208d16d1b825f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.391180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018016/publication.txt
observed 520d826aab73067d84070585c6636c60...
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.