OpenTechnical

OT-2026-000047810

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000047810) never changes.

Identity and time

Publication numberOT-2026-000047810 · never reused
Internal UUID01a0ae7f-c420-7ed4-89f6-06971d89f79d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047810
StatusPUBLIC

Content hashes

Canonical text05a931107b47f8b8bc4b0a85fe900f0385d2d00711048016d6a72bed1c26c858
Markdown015e180f7ddfee42feff1ec66b7ccdaacec98ed68b20f03266fe6315a7651fb2
PDF
Publication pagee9c97550ddb035da653b7ba1b0ec71efe7e1b8325111f5e7638fa57b99d6b559
Manifest4ea517725915ba3dd5b43e5aedf003cb4d7934216aeb34d23152a2b561509357

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
SignatureLpxNL3JmEz1khCusr1/iJgYOoUDQ7Qi949BcYSkCOPwP+0m7bPGR2H7t/OgDR028dEFv5YYGuxEYwSaYXYm4Ag==
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

2026-09-17T11:05:42.898785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047810
observed e9c97550ddb035da653b7ba1b0ec71ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.883449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047810/manifest.json
observed 4ea517725915ba3dd5b43e5aedf003cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.866281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047810/publication.md
observed 015e180f7ddfee42feff1ec66b7ccdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.844804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047810/publication.txt
observed 05a931107b47f8b8bc4b0a85fe900f03...
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.