OpenTechnical

OT-2026-000019348

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000019348) never changes.

Identity and time

Publication numberOT-2026-000019348 · never reused
Internal UUID01a0ae6e-f392-7848-8ac0-561786023aaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019348
StatusPUBLIC

Content hashes

Canonical textc27f500c9e2677bf7f4ba3d40b54c555d1a34f010a03eaecc1148ef9a08bacc8
Markdown1a9342450249e23b03d94a8e82d66a04986be44feb0cacb52c4494215ea1d6b2
PDF
Publication pagebd1e0fb1bf5ef8f02689c19db813561fc6a0cdcf0ec038ffd230635ed30f4195
Manifest522fc44b6ee128a34b65439cd838c25e10ab6997bd24e49424afdc3e0077cb91

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
SignatureyiPynFIJH150mmpsWUZqyLrsJIlpsJR9kS7hO+wd/prQNXhD6JniWXieF0f0hvYTJ0pBHonnSzUufPlZkkyTAg==
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

2026-09-17T11:58:43.410430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019348
observed bd1e0fb1bf5ef8f02689c19db813561f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.390987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019348/manifest.json
observed 522fc44b6ee128a34b65439cd838c25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.372659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019348/publication.md
observed 1a9342450249e23b03d94a8e82d66a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.355465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019348/publication.txt
observed c27f500c9e2677bf7f4ba3d40b54c555...
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.