OpenTechnical

OT-2026-000085922

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained 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-2026-000085922) never changes.

Identity and time

Publication numberOT-2026-000085922 · never reused
Internal UUID01a0ae99-e82a-7ea3-adbf-09dabba5fd24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085922
StatusPUBLIC

Content hashes

Canonical text7f81fa79d5b3c21496fc7f7b914d646821a6bd2433264b3fad29182f593a7590
Markdown02fe9f93bd4df78f5caf1d35118f8b51a87c5a91fd8aac9c545af48b5c916b30
PDF
Publication pagecec781869080b9f7b88d61b9188ddaba4e80ef3c2a415dc278839d21635f0bac
Manifest8721116a4c010d2fb3ba438abda775d038d623b5d0a2bad22f0ce0bbe6d0daf2

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
SignatureI0Qkl4bLuQyMjGfNI1oUw3q9xdicZj+OphP363HKHYxKpt93wmoUNq5WvgeB8UoeNxrcHFh4Z7MnymIIQ36NDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:52.261358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085922
observed cec781869080b9f7b88d61b9188ddaba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.241128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085922/manifest.json
observed 8721116a4c010d2fb3ba438abda775d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.223499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085922/publication.md
observed 02fe9f93bd4df78f5caf1d35118f8b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.206957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085922/publication.txt
observed 7f81fa79d5b3c21496fc7f7b914d6468...
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.