OpenTechnical

OT-2026-000078376

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented after 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-2026-000078376) never changes.

Identity and time

Publication numberOT-2026-000078376 · never reused
Internal UUID01a0ae95-7c28-701f-95fb-bf96183ab6b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078376
StatusPUBLIC

Content hashes

Canonical textdcc831dac114dc28508fb2b4779fa9e55f4f7a06fb030219c82083d5f8bd2141
Markdown5a1fb480f2fb4b02920764eef90e73ce7cbd888ae7b6a8277df43f1d9e846769
PDF
Publication page097c5457475155a6fdb5c1bf992cef37b6214412113dd4db7dd9fd0dd3d31779
Manifest187368856f0b52308a8f8ff92c684c444d4eece035a2d38d4e183a680701881c

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
Signature8W2/pO3MCCoyS9/+hJqqsXjjBZnvYGgiG7ACdNz9hZrU3hTaz+MLTNLsAuyEItWu864WTPUTKKpTjPbo8wz+AQ==
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

2026-09-17T10:06:20.907348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078376
observed 097c5457475155a6fdb5c1bf992cef37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.890018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078376/manifest.json
observed 187368856f0b52308a8f8ff92c684c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.870344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078376/publication.md
observed 5a1fb480f2fb4b02920764eef90e73ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.849780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078376/publication.txt
observed dcc831dac114dc28508fb2b4779fa9e5...
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.