OpenTechnical

OT-2026-000018837

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000018837) never changes.

Identity and time

Publication numberOT-2026-000018837 · never reused
Internal UUID01a0ae6e-d521-72d7-a000-69ccbf5aae4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018837
StatusPUBLIC

Content hashes

Canonical texte178e959792dedc4394c549c4a56db912f67ab2cb3acf91ea05818843903f538
Markdownbb01c5969c9318f0f13253e9e7d270620deee2fe78b1e6cf30648ffc356b81f3
PDF
Publication page628e035c3b4c91f30a91fa60c43f94a9bbc7015b045518fbb97237d4eddb33e2
Manifesta46dcf4a2ab08a0c93ac6fd8400beab34db22bbd94bd9e10cd29b05420f768b8

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
SignatureoitsFP6/LqelZFqc/AAgeZ2nonf6QbfZ+/nkcAOq9bUZcU8ixDYJikF0q/pXFaa0/WLo50zccELefcDSWrRUCg==
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

2026-09-17T11:59:28.439646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018837
observed 628e035c3b4c91f30a91fa60c43f94a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.422294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018837/manifest.json
observed a46dcf4a2ab08a0c93ac6fd8400beab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.404432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018837/publication.md
observed bb01c5969c9318f0f13253e9e7d27062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.385080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018837/publication.txt
observed e178e959792dedc4394c549c4a56db91...
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.