OpenTechnical

OT-2026-000089264

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000089264) never changes.

Identity and time

Publication numberOT-2026-000089264 · never reused
Internal UUID01a0ae9b-db00-7628-a1e9-573d4d2c1a9e · 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-2026-000089264
StatusPUBLIC

Content hashes

Canonical textafc33055e61e63372e52781368c04381edb1e389bbb6a9907013a06582479551
Markdown8fdec2f3310ae1b3d987eefbf291f6f94b368fb1089e352fa689f193cc548eb3
PDF
Publication page098592227f172934a2a00baef280e4b7a82840a2d15b0c08e37e1cfa70c0d566
Manifested14881200538bd651caa0bcdcc11e3ecf057f2ddf508e89e53eeae4bc93abb9

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
SignatureAu3dKMeXEKXvMYyuqXLJXpuMmGooqtnFlvgXC6jg01fe9RUgu41sshyCgk6QM2jjRwmWbMBWIq5VPZdtCJZIDQ==
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

2026-09-17T09:47:18.211893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089264
observed 098592227f172934a2a00baef280e4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.193113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089264/manifest.json
observed ed14881200538bd651caa0bcdcc11e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.175694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089264/publication.md
observed 8fdec2f3310ae1b3d987eefbf291f6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.157595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089264/publication.txt
observed afc33055e61e63372e52781368c04381...
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.