OpenTechnical

OT-2026-000087246

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000087246) never changes.

Identity and time

Publication numberOT-2026-000087246 · never reused
Internal UUID01a0ae9a-9f2e-7195-8bcf-cdaba158cc53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087246
StatusPUBLIC

Content hashes

Canonical text43ebad60319c61565c4913681154d12a8fe645b95b4b8e384d9d6c645129ac5e
Markdown40f371696f500e1c406ab497274dcc6a1b62393f34526529ad20645e6c0e0bf8
PDF
Publication pageb26284b8aa7231c7eb1e01f4f11c860838e838dedd450ebda0918c04de394301
Manifesta0ed88df5befffce86986c91612d191feb68a52ce30774104c4468145f07f580

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
SignatureVyexozdOKYSB3AC3rzm2CTABD4KRoXD/3SXs176JyZGi8n6Fre+esBNw3olGXvnqZfI6YV5a8YMNg7UKSc8KBw==
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

2026-09-17T09:51:33.045854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087246
observed b26284b8aa7231c7eb1e01f4f11c8608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.028059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087246/manifest.json
observed a0ed88df5befffce86986c91612d191f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.011068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087246/publication.md
observed 40f371696f500e1c406ab497274dcc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.993156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087246/publication.txt
observed 43ebad60319c61565c4913681154d12a...
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.