OpenTechnical

OT-2026-000048313

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000048313) never changes.

Identity and time

Publication numberOT-2026-000048313 · never reused
Internal UUID01a0ae80-4de3-79a0-905c-e1bdebdb5951 · 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-2026-000048313
StatusPUBLIC

Content hashes

Canonical textf88bc3f5a18066f967d54194276508e2cee0f1bfae89c8783da1ca52e29adfd0
Markdownfbe0b9b9f4f0b1d806bd35e86fa2aa1402f72bbcb9136ee1a678da09a0a6c26f
PDF
Publication page1404063078b4d93f313f76a38f0d3ebc94231678771aede58a81ec17dd9f9b9f
Manifest90d5cf212273044837d883d58a840547b5a655111652b13ab502e21cd599d1eb

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
SignatureOgCH44+t/3/G96Lfg+tIAVgLU5YxZhcIa6Xn7GxnB6YrmQonsly1DSIZiUoaDVrhRDEW/PMechLDQhoQxNJ7DQ==
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

2026-09-17T11:04:54.664746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048313
observed 1404063078b4d93f313f76a38f0d3ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.643708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048313/manifest.json
observed 90d5cf212273044837d883d58a840547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.624255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048313/publication.md
observed fbe0b9b9f4f0b1d806bd35e86fa2aa14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.603552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048313/publication.txt
observed f88bc3f5a18066f967d54194276508e2...
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.