OpenTechnical

OT-2026-000018148

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000018148) never changes.

Identity and time

Publication numberOT-2026-000018148 · never reused
Internal UUID01a0ae6e-b488-7b53-b322-c53a4608743c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018148
StatusPUBLIC

Content hashes

Canonical textc292d88c6d58242025d611e8b54a9380200ed68ed419216c80258bff2290b091
Markdown77afec0a9df8b598d1d93444d23ca133efdae5cf799b41548d46b3aa7e827ef3
PDF
Publication page936b7a97890578954a147aa1393fc52775573fde247b9c79ab28e30c821197fd
Manifest7c5fd3deefbe87a1063d0bc71ef222314a1150fccf994343ec7af885dd464c33

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
SignatureMnD4zXfJ88UtyNJVXIVbat6RKZ0zxRKmb41dGf1w6t41GBNHCKjBreNaRMk+jSv2wuccOjzIbOaVPhwa2DDADw==
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

2026-09-17T11:59:53.730495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018148
observed 936b7a97890578954a147aa1393fc527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.710881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018148/manifest.json
observed 7c5fd3deefbe87a1063d0bc71ef22231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.690119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018148/publication.md
observed 77afec0a9df8b598d1d93444d23ca133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.672524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018148/publication.txt
observed c292d88c6d58242025d611e8b54a9380...
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.