OpenTechnical

OT-2026-000097200

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000097200) never changes.

Identity and time

Publication numberOT-2026-000097200 · never reused
Internal UUID01a0aea1-01ca-7587-8e54-e29e34e5ef63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097200
StatusPUBLIC

Content hashes

Canonical textf42d46c5093f4eab3a0af23c41772b8c2d86cfb6add2e4dd3174b46a3290f903
Markdown8cd32a68ce3d80853f2cd90a06c4c7860f845ddb33ff3c5092a60a3eaff8fdee
PDF
Publication paged8ae14d39e2517d5554dc0eb4fe153b67a1c632accf4ea9510eac8fa23eb020d
Manifest1d230649b8cef133882ea16f55b398b8f9162e1765e85cfa47d8f0b1938b8953

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
Signature21nWgK1er93JUAqQmazOW0EQUb+243NYtl8jlGN+OTyWMr7HKrRUexy29R7d3L+eT+rKq3GYymoHeP5siwKeDA==
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

2026-09-17T09:33:26.579915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097200
observed d8ae14d39e2517d5554dc0eb4fe153b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.562911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097200/manifest.json
observed 1d230649b8cef133882ea16f55b398b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.546301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097200/publication.md
observed 8cd32a68ce3d80853f2cd90a06c4c786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.528103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097200/publication.txt
observed f42d46c5093f4eab3a0af23c41772b8c...
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.