OpenTechnical

OT-2026-000064089

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000064089) never changes.

Identity and time

Publication numberOT-2026-000064089 · never reused
Internal UUID01a0ae8d-a45f-7fac-96fe-022397c77170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064089
StatusPUBLIC

Content hashes

Canonical textf870ef905deea6fb2478bec97b6abe704cee8687c28227ea4ecb66a9b92ccde6
Markdown0ade03e63e5c48a06c5feacdaf427fdae4a78d8975ac127ca7f98f519ba6629e
PDF
Publication pagee8912207a719ee0b6ad2d48cb0aa3a309c7eb791349f3271fc451af0af92d062
Manifest4c68d9f6c3b67c9a0008160b95ce2815ebe6493f4eacd0b2ad9534d9c31ab2ee

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
Signatureny+7onYrffAwTJC52MiawRiJ2nXI9TmDja8pD8Yq1wSQV4Hx3p86Tud7IlnTY9hBERZ4kZPNVPkDzaotClFjDw==
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

2026-09-17T10:36:04.596666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064089
observed e8912207a719ee0b6ad2d48cb0aa3a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:04.580640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064089/manifest.json
observed 4c68d9f6c3b67c9a0008160b95ce2815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:04.562483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064089/publication.md
observed 0ade03e63e5c48a06c5feacdaf427fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:04.544060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064089/publication.txt
observed f870ef905deea6fb2478bec97b6abe70...
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.