OpenTechnical

OT-2026-000019734

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000019734) never changes.

Identity and time

Publication numberOT-2026-000019734 · never reused
Internal UUID01a0ae6f-1fb4-7b19-b722-3630a8a3e458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019734
StatusPUBLIC

Content hashes

Canonical text8840bb4926fa7b539e17716dc02d3a884e25308138b0e811128a00490df45ec5
Markdown3fe24499f68b8924c32dfc12588ad2be915f99f3ca8cbdd012cd98c941f491a3
PDF
Publication pagec262ea9d24726d6fa7e85477984c10c31a9f6c9bf2e6422ff021550971264544
Manifest5368c551bc6b0b1a186f451ddffbc66ea9477052738d6c29f745dbf9b887ace3

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
Signature4VG7HCYnvxR1z5kKzMdLiQdUXhyOHbbMab3hc8sCf/IWL074W+VvzdcvJ85I4nihRalnvuyneX3+pdD4UxnODw==
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

2026-09-17T11:57:49.506890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019734
observed c262ea9d24726d6fa7e85477984c10c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.488422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019734/manifest.json
observed 5368c551bc6b0b1a186f451ddffbc66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.469106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019734/publication.md
observed 3fe24499f68b8924c32dfc12588ad2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.449147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019734/publication.txt
observed 8840bb4926fa7b539e17716dc02d3a88...
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.