OpenTechnical

OT-2026-000097517

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000097517) never changes.

Identity and time

Publication numberOT-2026-000097517 · never reused
Internal UUID01a0aea1-55b4-7a02-a578-a3e38ba5d935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097517
StatusPUBLIC

Content hashes

Canonical textdfbda104f3331cc4092704bf4ee8a1ae4455ff583de13337ddbe04727aa2e4bf
Markdown38847a4f7572cf1ee6b1220958d9f0411fd576e76563bdcba0cd2fab12506748
PDF
Publication page27d18ffdb28554ff4d5c3a85e0580dd236d7012a9592ee4357f18fb7d5cc7d09
Manifest0027261e088388383c449a9b811e217d190d7372a9dda12d7944448434ce9ccd

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
SignatureDGi/QUhS1aciIjN4BGOag4SiG/QWEnTs40WN0F9Nk3fAsMwXfCKGN3rNkq9XhFSpJHBk4UaWG+5nrHMb3Hj8Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:14.718617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097517
observed 27d18ffdb28554ff4d5c3a85e0580dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.699874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097517/manifest.json
observed 0027261e088388383c449a9b811e217d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.682444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097517/publication.md
observed 38847a4f7572cf1ee6b1220958d9f041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.665693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097517/publication.txt
observed dfbda104f3331cc4092704bf4ee8a1ae...
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.