OpenTechnical

OT-2026-000048757

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000048757) never changes.

Identity and time

Publication numberOT-2026-000048757 · never reused
Internal UUID01a0ae80-c32c-7497-96fa-b12cd96d1a28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048757
StatusPUBLIC

Content hashes

Canonical texta14d7ab1e7f6c50717d3c250a747864fc66382c3f0a5d9f2d2c90cb36009471d
Markdown01e162a1c825bee5aa39da3047e347de26f686a5729404fa198dd6fd659f3651
PDF
Publication page3ae16c9f09b7e3213acca5d04ccf33b274b9a5f4804367829d06ee1133230fa3
Manifest7ddc5e40911db9e4f3714f7b0dc5f884f29af5ae1f10696a71345316291d6aef

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
SignatureR60OnsONtxRHeY/kYfizpuyzbeWslPaCz49kadtWoeOTtTz48edkuYzhp5rrDEC3I06PjPeeWnujAkvw058vAw==
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

2026-09-17T11:04:25.946029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048757
observed 3ae16c9f09b7e3213acca5d04ccf33b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:25.917808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048757/manifest.json
observed 7ddc5e40911db9e4f3714f7b0dc5f884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:25.887319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048757/publication.md
observed 01e162a1c825bee5aa39da3047e347de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:25.856521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048757/publication.txt
observed a14d7ab1e7f6c50717d3c250a747864f...
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.