OpenTechnical

OT-2026-000067404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000067404) never changes.

Identity and time

Publication numberOT-2026-000067404 · never reused
Internal UUID01a0ae8f-6bd8-701a-837a-9539566748fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067404
StatusPUBLIC

Content hashes

Canonical text7ec0a6dd0f130d97c7b90edf38fdb8359c089f5ae878cedca109f512e62f6922
Markdownb1a5d60523616e3f108e61fed9eb46090fa16c49e439c407f62f073a01cba16c
PDF
Publication page0be47930cc099e3a860e5574febc76e675b8aa59743f22993781aa4a21c299ac
Manifest73fb1d64289831f50670d4f1ed32ed82f477158e03648b49ec0c6c88a0d0fae2

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
SignatureCOehh+cZV+yJHU1achFuAXkNVfc/zveetzvMLqHMguUAIShUm/zw8jV72SOou/R/v8djct3Jzw69mCMPTomJCw==
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

2026-09-17T10:31:35.891870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067404
observed 0be47930cc099e3a860e5574febc76e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.876058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067404/manifest.json
observed 73fb1d64289831f50670d4f1ed32ed82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.858736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067404/publication.md
observed b1a5d60523616e3f108e61fed9eb4609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.842661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067404/publication.txt
observed 7ec0a6dd0f130d97c7b90edf38fdb835...
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.