OpenTechnical

OT-2026-000084275

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000084275) never changes.

Identity and time

Publication numberOT-2026-000084275 · never reused
Internal UUID01a0ae98-5b60-7488-a7bb-cade4ed9942a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084275
StatusPUBLIC

Content hashes

Canonical text9b38c501cce30dd178cb5846a550f43dc3eee026604212f5b5c1ac4c265f23cd
Markdown775aeb9ecfd20ad55c45ee4427f6e83f31e37ca1dc0173689324018bbbcfe316
PDF
Publication paged39555b5bb8e024a0bd8822dde05983f0ee60bba1cad2798615c9c7db63a1c85
Manifest32b7c6379ac33a98b116ff6fd05ce5064d19db2dfa13ef1f105c2678a83a1fb1

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
Signature5JsBAC/VSsl1ulavPDY2yunowWRp7SbJBYQ/dB+dUE1oLNNLx6/+PmhRUe0tRzTQOgpR5vxYj7eJHMU05XSpCA==
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

2026-09-17T09:56:11.566196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084275
observed d39555b5bb8e024a0bd8822dde05983f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.547725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084275/manifest.json
observed 32b7c6379ac33a98b116ff6fd05ce506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.530119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084275/publication.md
observed 775aeb9ecfd20ad55c45ee4427f6e83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.511368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084275/publication.txt
observed 9b38c501cce30dd178cb5846a550f43d...
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.