OpenTechnical

OT-2026-000047742

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three 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-2026-000047742) never changes.

Identity and time

Publication numberOT-2026-000047742 · never reused
Internal UUID01a0ae7f-c41f-778a-880d-0b0dc2fdc84f · 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-2026-000047742
StatusPUBLIC

Content hashes

Canonical textf13cade43cd4bf1c861f3806c0c555a4da32376c6925f96d7377f0391e9a2241
Markdown99cd683d3a02f2db7650c3290de62837f8a50b5feec82940b7a105126d281755
PDF
Publication paged503a7b2f617fd2379187772934c430c5726269ae211bb91ee809aed6c363656
Manifest75c9883849822efab6b5020117378e3e6ab0ee9ab7c315c63c5128413c0a58f4

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
SignaturetfdDYI5ka1ssiqgqZ9w03rt8kX0/WNafwe8bO4Xjveac9c+LNGVrXIrAk2w0lDHPpQCuA9CjY1cbKXETSx8PAg==
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

2026-09-17T11:05:37.185243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047742
observed d503a7b2f617fd2379187772934c430c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.166432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047742/manifest.json
observed 75c9883849822efab6b5020117378e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.149192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047742/publication.md
observed 99cd683d3a02f2db7650c3290de62837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.130525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047742/publication.txt
observed f13cade43cd4bf1c861f3806c0c555a4...
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.