OpenTechnical

OT-2026-000042710

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000042710) never changes.

Identity and time

Publication numberOT-2026-000042710 · never reused
Internal UUID01a0ae7a-c0cf-7729-8547-1cdfc3f814ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042710
StatusPUBLIC

Content hashes

Canonical text8abec3115995a43b5dba10052aa2edd328a1ec36f6568a12b795b4fa97a3f20f
Markdowna96c7bfb6d8d589771549129ae8b958a80dad58b536912f23827cb636a027e35
PDF
Publication page19c041289e08d5c7468ebdc82baa257c31778846c5c5ebc33404cdf658d97c93
Manifestec8b8ac72059a461ba14a768c6ff830538a6c7ead3a676219db4f8e683db0d56

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
SignatureHcmgaAjfm8qVFnBR0dlZx/QlA1K5sPBFrp/lzY7l0KclNW9iNaYdxSRZU7OfNtugOBXwS26JniO19tBD1HVfBw==
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

2026-09-17T11:15:04.283304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042710
observed 19c041289e08d5c7468ebdc82baa257c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.264790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042710/manifest.json
observed ec8b8ac72059a461ba14a768c6ff8305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.245009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042710/publication.md
observed a96c7bfb6d8d589771549129ae8b958a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.226014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042710/publication.txt
observed 8abec3115995a43b5dba10052aa2edd3...
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.