OpenTechnical

OT-2026-000031362

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000031362) never changes.

Identity and time

Publication numberOT-2026-000031362 · never reused
Internal UUID01a0ae74-87ac-7f85-a429-f44bd931536f · 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-2026-000031362
StatusPUBLIC

Content hashes

Canonical text903f6fe3f8da4fd0c13dd9a37c6d2ff2833cab9f10e14ef504a13546bd9a75e9
Markdown946cfdea02b6b950cdc0e1dc4fc12401a3efdca544b744b0da6400095d319f1d
PDF
Publication page9e0b0f94735b59c0a0ba46df1b751bd7db6cac80bbc1b31e51137d236dd9646e
Manifesta1800ef90443fa6cf6f6fd12a7da14e33374c8a349407dbf4005af28f0c9bc95

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
Signature6xTE8KPMbZMk4ytBoneouAqoWxcyfcoaTq69dgWrHs3+zCnNTKrr2KKEqnJ/9DDifezPc9iDyHFhV/GA5DXYAw==
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

2026-09-17T11:36:03.833037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031362
observed 9e0b0f94735b59c0a0ba46df1b751bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.815668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031362/manifest.json
observed a1800ef90443fa6cf6f6fd12a7da14e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.795432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031362/publication.md
observed 946cfdea02b6b950cdc0e1dc4fc12401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.777993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031362/publication.txt
observed 903f6fe3f8da4fd0c13dd9a37c6d2ff2...
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.