OpenTechnical

OT-2026-000029008

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000029008) never changes.

Identity and time

Publication numberOT-2026-000029008 · never reused
Internal UUID01a0ae73-2a9e-7175-951c-ddd4965f699f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029008
StatusPUBLIC

Content hashes

Canonical textb6a34925ca0fcb5a5532c14047480edac84a6725cb231e044607bf52dfe5e2ef
Markdowncef5a1bce4c7c6a5975e29f56a302d98c14a0cd21cf4b0824420491f425f8304
PDF
Publication page8fbe3d0e608ee84e6b33cff2526721b43b49186d636b387010b8146e71dc2710
Manifestdca0d3837b9efc012338e52b30475d30023fd380250c875ecae41ea02a3dd381

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
Signature6t1rLCn39f+/GAaiqAnCA4foGtWqMXlcXYxHdJzGGQZ5FtdbUzM2AvymUmX5rfBEiQv8qtI+XDbdCg7lrL7EDA==
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

2026-09-17T08:20:34.463841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029008
observed 8fbe3d0e608ee84e6b33cff2526721b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.446731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029008/manifest.json
observed dca0d3837b9efc012338e52b30475d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.427484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029008/publication.md
observed cef5a1bce4c7c6a5975e29f56a302d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.283487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029008/publication.txt
observed b6a34925ca0fcb5a5532c14047480eda...
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.