OpenTechnical

OT-2026-000051023

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000051023) never changes.

Identity and time

Publication numberOT-2026-000051023 · never reused
Internal UUID01a0ae82-c7b4-78fc-b1cc-6ff0af9d3ff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051023
StatusPUBLIC

Content hashes

Canonical text4fe1b9351f3195718affd8f619f5b482b3756a8112a7f308bd02cf5ab6b04dec
Markdown484d9d52e88bf8dfc741b8564b803fce5f6327a92cea8223fab8082847944d55
PDF
Publication page94119921f8130bc0aadfaf40dce05f92cb80e69ab9b6517d37786f3229ee17f4
Manifestffeb5c125f51699592fc7f5084295255a044d7bd5b608e6e0c2a35539c1df6c4

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
SignaturelrtyB7irjSFgIgg7Z1bLxd6xpBgL85MT4suuMj7pnVsrxtIZDiN0uH3qVNoSFvOXX0QAq2lxiCD3as2GFn9xAw==
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

2026-09-17T11:00:55.737046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051023
observed 94119921f8130bc0aadfaf40dce05f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.719049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051023/manifest.json
observed ffeb5c125f51699592fc7f5084295255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.701209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051023/publication.md
observed 484d9d52e88bf8dfc741b8564b803fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.682808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051023/publication.txt
observed 4fe1b9351f3195718affd8f619f5b482...
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.