OpenTechnical

OT-2026-000048389

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000048389) never changes.

Identity and time

Publication numberOT-2026-000048389 · never reused
Internal UUID01a0ae80-4de4-7d36-8d55-33b927b91ff9 · 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-2026-000048389
StatusPUBLIC

Content hashes

Canonical text788eba08cec0327159ef7b99975b6c6bd95b9db770f3a9be215d0b38c20296b5
Markdownc2b1c25ccc06f33268a1a6ab3474c992d324947dc8aed2902fe9d0f40617280b
PDF
Publication page17afff72e212c92922a4ca2383b64a19eaf14f54214517da769421d643cb6e6d
Manifesteb82170b6304e915e78ca057f25a1338223e071eac8f7d33004b4fe0ff2d4005

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
Signature3Rku0TVunPvdXHMXJOXyB0RlhTRqhQSQvLKFjf8EneH0rx4ms4362fWbfBffDV22bPcn4dsKTlxMqAoSe8/bCQ==
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

2026-09-17T11:05:01.272988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048389
observed 17afff72e212c92922a4ca2383b64a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.252305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048389/manifest.json
observed eb82170b6304e915e78ca057f25a1338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.229956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048389/publication.md
observed c2b1c25ccc06f33268a1a6ab3474c992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.211014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048389/publication.txt
observed 788eba08cec0327159ef7b99975b6c6b...
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.