OpenTechnical

OT-2026-000093597

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000093597) never changes.

Identity and time

Publication numberOT-2026-000093597 · never reused
Internal UUID01a0ae9e-508b-7a15-b724-aca1d0fd4f12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093597
StatusPUBLIC

Content hashes

Canonical text46cd58a89ebd75375abbf36d0e09351f8de792e3eab30314909873eb5f2db741
Markdown49234800306ff5fe31e28da0385aa410d5fc6fe602f801062ed2a86f8c9c0bc8
PDF
Publication page33a0f59aefe286d8cfbcf94b1c805c7a0041fff1cc86005e9a111e5c21c5f4f0
Manifest5209d5a26c83e0d2fe91fd7e21c4bbb9a2f531f5ff4ae0b6eb5061e284f7914a

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
SignaturenYKUzV2qTT3DOmtwQKIMINn9f7djkUz9g8J4YAcWV1TXKRtspnOOMhWvBvKAzTXPOY/mmC8AH/E2LDwSnbDsAA==
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

2026-09-17T09:39:38.316647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093597
observed 33a0f59aefe286d8cfbcf94b1c805c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.291956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093597/manifest.json
observed 5209d5a26c83e0d2fe91fd7e21c4bbb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.275338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093597/publication.md
observed 49234800306ff5fe31e28da0385aa410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.175465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093597/publication.txt
observed 46cd58a89ebd75375abbf36d0e09351f...
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.