OpenTechnical

OT-2026-000031387

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000031387) never changes.

Identity and time

Publication numberOT-2026-000031387 · never reused
Internal UUID01a0ae74-87ad-7f99-b70c-1369b5f1ad04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031387
StatusPUBLIC

Content hashes

Canonical text206e61146851a83cff9c790bfb776c84fc20e55e4949c36b9a222378ce4af627
Markdownd9be1662fff09544d1623a142596905580f9eb8ddc2be0870ae93c0f65396aba
PDF
Publication pagee10b28c36780e9c7897e6de8492ae7f32e5625415d452b1b25d53a41a08aef0e
Manifest3ffec9c776a7631e6d5c0a4677fd7601c6d2d0475fb13b5cc1f6d7b4c4e7879b

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
Signature2bzYsRqg4NBb7EXjgb9RI1/ywJrTBt/PUAq9eZsMkZyxmCKFwVmFBbbadC9YjE0teh3p8sTsu7knjaMzai5FAQ==
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

2026-09-17T11:36:05.769718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031387
observed e10b28c36780e9c7897e6de8492ae7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.746838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031387/manifest.json
observed 3ffec9c776a7631e6d5c0a4677fd7601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.729331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031387/publication.md
observed d9be1662fff09544d1623a1425969055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.710933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031387/publication.txt
observed 206e61146851a83cff9c790bfb776c84...
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.