OpenTechnical

OT-2026-000091176

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091176) never changes.

Identity and time

Publication numberOT-2026-000091176 · never reused
Internal UUID01a0ae9c-f16b-71f2-b43f-927a887c1900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091176
StatusPUBLIC

Content hashes

Canonical textd82c73a71b5132d327cba73abd24bf0533c2b76c61c2aba44cf054a15f44fab6
Markdowncfa4e5104d7907f43b1cb8749d74f8ba2b1c47148f3a9ce3989890bc445fe41b
PDF
Publication page48f2128db6343f6849f550ceb1b52278e1a92ee68910697beee1bcc3d91beab3
Manifestba92210d5bece88550fdcec998c62dd1e9b35c492abd3ea2cb4418b6c61ffed4

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
SignatureDLK0vqL9XrbZvNvRv+T9zqNzIcwllaAL3534PcN6xumphCiDTa3LnINhD/vc13S+BLMwWxrWZvZqSpnYv+TDAQ==
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

2026-09-17T09:43:20.099592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091176
observed 48f2128db6343f6849f550ceb1b52278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.080886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091176/manifest.json
observed ba92210d5bece88550fdcec998c62dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.063837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091176/publication.md
observed cfa4e5104d7907f43b1cb8749d74f8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.046483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091176/publication.txt
observed d82c73a71b5132d327cba73abd24bf05...
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.