OpenTechnical

OT-2026-000048442

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000048442) never changes.

Identity and time

Publication numberOT-2026-000048442 · never reused
Internal UUID01a0ae80-4de5-7158-aef7-7f2d6158867a · 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-2026-000048442
StatusPUBLIC

Content hashes

Canonical text33f137b9b50f34444e170bd4a15edb02ca827a8e5b361fa170c265ab00a5d2d1
Markdownd51e525257e8fc0cfdebc9214a6e86cdc9d23a2c1fe69553e7847a19fb624c3a
PDF
Publication page040246a6c57ba116d848d2a14daed41e271d10fc3583943de6d6d87267760d75
Manifest4e2d3f91e259062f693195b1c3fc202d819ebb97f0d965b82b279ae89b2dfb57

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
SignatureD7JCi4m4aOreo86JtRvhzDEopPjldLUq7rg/7fnF9GMIsEfU+OpIO2sg1S/N2XblemSjqgbzT6RNhnBY05CSAg==
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

2026-09-17T11:05:05.694634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048442
observed 040246a6c57ba116d848d2a14daed41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.676936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048442/manifest.json
observed 4e2d3f91e259062f693195b1c3fc202d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.660411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048442/publication.md
observed d51e525257e8fc0cfdebc9214a6e86cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.642385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048442/publication.txt
observed 33f137b9b50f34444e170bd4a15edb02...
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.