OpenTechnical

OT-2026-000048425

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048425) never changes.

Identity and time

Publication numberOT-2026-000048425 · never reused
Internal UUID01a0ae80-4de5-736c-a135-39b205e98bf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048425
StatusPUBLIC

Content hashes

Canonical text780e09059f66430ea3cbfb8c73fe55fd002c1068514f67ddb7ce98edb91e3b7a
Markdown10391cf81e26e15398ff813d12243223ce88118ac37d31c90003eed4a0589679
PDF
Publication page271229f6cf031580d15327643739fe290021c5b04d9ddaa8ef924a0995487687
Manifest2867c000e943d03a6c171672c9106f6f729f2ca22ae91b028a995c638b6a15fc

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
SignaturetfOfqPA/JaoFCS7sXpjgr6bNuH4zxBF7EP6CyJJEZhLN30KxkdtkINyttMYkel1yVTGtGFi/t3igWfazzS0yDg==
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

2026-09-17T11:05:04.321418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048425
observed 271229f6cf031580d15327643739fe29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.303105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048425/manifest.json
observed 2867c000e943d03a6c171672c9106f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.284643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048425/publication.md
observed 10391cf81e26e15398ff813d12243223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.267348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048425/publication.txt
observed 780e09059f66430ea3cbfb8c73fe55fd...
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.