OpenTechnical

OT-2026-000102359

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000102359) never changes.

Identity and time

Publication numberOT-2026-000102359 · never reused
Internal UUID01a0aea4-8589-763b-b024-b4791bc4d5c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102359
StatusPUBLIC

Content hashes

Canonical textac6f5862702e94414fc011103654e79d4b019678ba8326dbc13e724605968e4c
Markdowna898a43806a3ec0bbc19eb6374719c85a4b324a8bd7d3942a19e9a1caf307af4
PDF
Publication page7317d779e36fb26ad9bd89118636bb26e7018bd897a3ae3dfe4fe4b1c38fb977
Manifestbfe082acdcf81bf2fe2f1fe8462c76714bf15eb3053d1da564888b680a2c7eba

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
SignatureNLHIw9u/LvK8IQQB0zB7AW+QWwJN9lmKo9PUAyq9oY/PP9hHG0WYr2bTrXuhF6ofIGjVJ4WcYSGgSMh2e1WtCg==
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

2026-09-17T09:23:41.762487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102359
observed 7317d779e36fb26ad9bd89118636bb26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.743464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102359/manifest.json
observed bfe082acdcf81bf2fe2f1fe8462c7671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.726408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102359/publication.md
observed a898a43806a3ec0bbc19eb6374719c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.709507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102359/publication.txt
observed ac6f5862702e94414fc011103654e79d...
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.