OpenTechnical

OT-2026-000047259

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000047259) never changes.

Identity and time

Publication numberOT-2026-000047259 · never reused
Internal UUID01a0ae7f-3e56-7633-b892-ad53cf2489a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047259
StatusPUBLIC

Content hashes

Canonical textd43c15416483937738e528df1212c5bcd13132d164c558583ab06533c357a4c8
Markdowndd105bdd919939e24746b15cefb6f19ddf3e24732fa19d69a773c046418cdd0a
PDF
Publication page663283b8e3a1d09bbbcff60e9d8888e6879cc95f06160f3784e5ddda5e75eaf1
Manifest92576bdfd72494fb1f19d36d6cd7ddc117b8e8a621d64af0079e12cfacfdd553

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
SignaturePhiA1ShBvGHMag1h0l3rPrLIzNDW2Fc3GEr1ggMUQ0HmXPd+mCAXqjTLRkGIGhll5yX7Dm+YFyOX7XW6iTOeAg==
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

2026-09-17T11:06:13.307478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047259
observed 663283b8e3a1d09bbbcff60e9d8888e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.291493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047259/manifest.json
observed 92576bdfd72494fb1f19d36d6cd7ddc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.272543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047259/publication.md
observed dd105bdd919939e24746b15cefb6f19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:13.255639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047259/publication.txt
observed d43c15416483937738e528df1212c5bc...
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.