OpenTechnical

OT-2026-000095807

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095807) never changes.

Identity and time

Publication numberOT-2026-000095807 · never reused
Internal UUID01a0ae9f-fac6-7602-91b1-6eb008e4cfe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095807
StatusPUBLIC

Content hashes

Canonical textbe643e9aebb71ae282b3cd7534343ed9a49a6ef9eab8280b7c00c4e03a483c91
Markdown86709dfc7129591acc52198f707e184e6894446dd5175dc92b30d89763d661af
PDF
Publication page2185560dc9d6bb456c68f6210232cb550d2c51e313cc53da6e3414a66ef7dd55
Manifestdf565eadb00127ef36e0def866e94b90f62c484c34da6f12e427447d2e078c30

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
SignaturezcKL5yK4cRFWbZQWJS1hLxhvi6IZiwvA3KmP8p6Y6lMfvoiTPtKyNWG7BOt1CWhVRwNQxVtQSuLnqrEd/nwqAA==
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

2026-09-17T09:35:53.010895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095807
observed 2185560dc9d6bb456c68f6210232cb55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.991855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095807/manifest.json
observed df565eadb00127ef36e0def866e94b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.972229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095807/publication.md
observed 86709dfc7129591acc52198f707e184e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.954824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095807/publication.txt
observed be643e9aebb71ae282b3cd7534343ed9...
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.