OpenTechnical

OT-2026-000023116

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000023116) never changes.

Identity and time

Publication numberOT-2026-000023116 · never reused
Internal UUID01a0ae70-7266-7e50-a487-f5c00c4ebef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023116
StatusPUBLIC

Content hashes

Canonical text8136df833f2d5f1ddc861265b2a3c3062475710b00d8bbdbdeca783acc6b35f4
Markdowna99ee97bb2c896690d00ed152ad87375758517d46de88208feec25d74ded0033
PDF
Publication pageeb3eb872386b9831ff8a4a335e82baf553ae98ef3b8c4ea6227296b655cc2a60
Manifestd177e8ad8199586fdeaa540c394c88f495b90e1b75de8134688ea8f1456fc9dd

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
SignatureyTU1I0YhFpkbOtU2A+yMrMaEurDZ7C5cuL8wWEQf9BXulWN1beq7GRLSLiwOgR+0pBt3VXp3tFKktKGIom/TBg==
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

2026-09-17T11:51:02.598948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023116
observed eb3eb872386b9831ff8a4a335e82baf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.580904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023116/manifest.json
observed d177e8ad8199586fdeaa540c394c88f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.564398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023116/publication.md
observed a99ee97bb2c896690d00ed152ad87375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.544972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023116/publication.txt
observed 8136df833f2d5f1ddc861265b2a3c306...
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.