OpenTechnical

OT-2026-000022382

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000022382) never changes.

Identity and time

Publication numberOT-2026-000022382 · never reused
Internal UUID01a0ae6f-f4fd-77f0-a2f3-578b958432a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022382
StatusPUBLIC

Content hashes

Canonical text048af18f54b0bba9e26221891898dab0a996a61601141be557b51eabee43334a
Markdown5bc20a22afa2593d273a327790761352cef6da2d2fcb0bd36bb51a3d7140388f
PDF
Publication page5b28118b2f47e44fd5c5006f2806fbae115fb30c259d231d9b16eaabbf99ee06
Manifestdab98ebfb17a952fe93449ab8a10e311d94f46688d7d75bdfbcac0a3621a1cb5

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
SignatureEZBCNcb9ydstTpZPcStRJzNp5aJzQofQcxlNhow4xwlAef5Mp4gkvz4leOlVJLH0QzvTxt9aQnFbCRbzz+blAg==
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

2026-09-17T11:53:45.501403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022382
observed 5b28118b2f47e44fd5c5006f2806fbae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.483415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022382/manifest.json
observed dab98ebfb17a952fe93449ab8a10e311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.463794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022382/publication.md
observed 5bc20a22afa2593d273a327790761352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.444883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022382/publication.txt
observed 048af18f54b0bba9e26221891898dab0...
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.