OpenTechnical

OT-2026-000050463

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000050463) never changes.

Identity and time

Publication numberOT-2026-000050463 · never reused
Internal UUID01a0ae82-5c48-7f82-bcb8-33bd057aea3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050463
StatusPUBLIC

Content hashes

Canonical text7a459d1cf5e11b491a7c2978723228367dfb165d657450646fcd98696183b8e8
Markdownf9ac2dcaaf1e42dac09bd8f61648e7d14987126be298aac0f597cdd35ffc6270
PDF
Publication page35653d37d7b0257290ed21fb4097ddee5191e0bbe95c9af1eefa1cd9b514272b
Manifeste3346f0a0aee64a47b8c73368bcfe326f03836f26fd6add1ca6658c0a8c8c295

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
Signature0RWYk9e6oFYcbKQkljsmnUivRTFkObM7X0uFRrJlLRdqsafbF+OehjJEaUgX2dz5chHud3gDsk71rCmQseb6DQ==
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

2026-09-17T11:01:30.866557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050463
observed 35653d37d7b0257290ed21fb4097ddee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.851805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050463/manifest.json
observed e3346f0a0aee64a47b8c73368bcfe326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.834927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050463/publication.md
observed f9ac2dcaaf1e42dac09bd8f61648e7d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.817664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050463/publication.txt
observed 7a459d1cf5e11b491a7c297872322836...
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.