OpenTechnical

OT-2026-000089183

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000089183) never changes.

Identity and time

Publication numberOT-2026-000089183 · never reused
Internal UUID01a0ae9b-db00-7567-a164-ea500d8bf6fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089183
StatusPUBLIC

Content hashes

Canonical textad0bceefcb2d5d9516b23ad2f5e0847e90f76b84d7a8400ad7d689b5beb82ea0
Markdownb891f634789db0d971f7bcac7dd897c1ecc3c78b680ca4a0b33c5b0b5d0f64c6
PDF
Publication page713e502fe58cfdaaf008df1be01550c27fb51999bf1c589478395f8c4697bef5
Manifest500fd5261a1165f8e896910796c4cf4f4bbabef5435ab265b936435714a02ffa

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
SignatureALTWUclbk2aWPlTYjlU+XFL0+a4rcqRfbz6hIkK4yBbh17ot2xoP3FXGozVxNmVpFIMknUXSp6knl8Ip+smgCQ==
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

2026-09-17T09:47:11.826332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089183
observed 713e502fe58cfdaaf008df1be01550c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.807635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089183/manifest.json
observed 500fd5261a1165f8e896910796c4cf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.790334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089183/publication.md
observed b891f634789db0d971f7bcac7dd897c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.772150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089183/publication.txt
observed ad0bceefcb2d5d9516b23ad2f5e0847e...
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.