OpenTechnical

OT-2026-000048051

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000048051) never changes.

Identity and time

Publication numberOT-2026-000048051 · never reused
Internal UUID01a0ae7f-c423-78fd-b14a-5cca9e86a284 · 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-2026-000048051
StatusPUBLIC

Content hashes

Canonical text0a34fc5023c40881b1c11dd472a95c231e5e3f748eb6a70b680047b57d56589a
Markdownaf54eee8c18a041a5c35f6b6cff1fd191a7014b3708d69dc696af598b369469b
PDF
Publication paged1c7e1eee40ee904e8adbe69744d4f3da00abb125baade5fb771871a89cd1eba
Manifest454f8583ca6e18879c2de2d5cd72f48b67f51259a223c8a5fb229076c8abe564

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
SignatureSNAaQMR35YUhfsIGXDqRbHKCpq1Jcd4oal2vaR2IoLlnLegDlIkYHaLyQ8hOn9j9Awgxj5n32FJxe5sE4F1lBg==
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

2026-09-17T11:06:03.420493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048051
observed d1c7e1eee40ee904e8adbe69744d4f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.402218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048051/manifest.json
observed 454f8583ca6e18879c2de2d5cd72f48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.384842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048051/publication.md
observed af54eee8c18a041a5c35f6b6cff1fd19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.365006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048051/publication.txt
observed 0a34fc5023c40881b1c11dd472a95c23...
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.