OpenTechnical

OT-2026-000092175

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000092175) never changes.

Identity and time

Publication numberOT-2026-000092175 · never reused
Internal UUID01a0ae9d-875a-763b-ad95-e5d196767ed8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092175
StatusPUBLIC

Content hashes

Canonical text16fad674bb4854711ebc09cd58a63d55e4943d9bf3bf50005dec810a1bb0b443
Markdown76f25000819cb2f4ea1adeef051b6643e6e6a903168d223fbd53b8ee802f9112
PDF
Publication page6791be31e9307bc9a66d31a433c6cc159f567252da63b52cccfcb9f8502097cb
Manifesteea18f581f54baf86eaebaa41ed1dfe45b8b0176e365eea8c07e5861b1f72049

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
Signature7Yt+nKGbM47iRtRgec7HfyoOUa0UZVpeoU6zLPS61BVoKpoIIWid6I92wPnIFL+V0qXWuShQm+AtPaiTEedSAw==
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

2026-09-17T09:41:39.204636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092175
observed 6791be31e9307bc9a66d31a433c6cc15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.188384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092175/manifest.json
observed eea18f581f54baf86eaebaa41ed1dfe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.169359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092175/publication.md
observed 76f25000819cb2f4ea1adeef051b6643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.151998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092175/publication.txt
observed 16fad674bb4854711ebc09cd58a63d55...
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.