OpenTechnical

OT-2026-000091359

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000091359) never changes.

Identity and time

Publication numberOT-2026-000091359 · never reused
Internal UUID01a0ae9c-f16c-7297-bacf-19c6b933c513 · 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-2026-000091359
StatusPUBLIC

Content hashes

Canonical text937cf692d9582f6c518caa0623c2cad5a50e0720a86dd9ced016418c65078da8
Markdown28d055019cfb2c16ae7fa9a63e85991502095ac696254fd33bbc313c13c6a87d
PDF
Publication page92982054cebd4269b20e7f478097aa2b43a0b1e45b5ea7d9cbf94adc9c9d203f
Manifeste8022a26e6fad4d0c3d37077a7d405b10dfdefdc0497bdce588eba6c740d9c1b

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
SignatureV4ZcpX/ZUMEKKh7gULDSCrEdMEn0XJ2czeBQZGTjXX7C6KPXgY1R64FYb6edmakXbe2gARAdi454Ig1y52+7Cw==
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

2026-09-17T09:43:34.465618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091359
observed 92982054cebd4269b20e7f478097aa2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.447652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091359/manifest.json
observed e8022a26e6fad4d0c3d37077a7d405b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.427884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091359/publication.md
observed 28d055019cfb2c16ae7fa9a63e859915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.409710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091359/publication.txt
observed 937cf692d9582f6c518caa0623c2cad5...
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.