OpenTechnical

OT-2026-000067016

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000067016) never changes.

Identity and time

Publication numberOT-2026-000067016 · never reused
Internal UUID01a0ae8f-14fe-7120-b683-597eb9e8b3f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067016
StatusPUBLIC

Content hashes

Canonical texta12a9edc1ea060146611f3f749725211946b656322b3f02e5711f1cac3729e88
Markdownc8aa2b949efa087bfa3534ec06734622e9b03bee4839826dc5a82411e45a4e16
PDF
Publication page4ca571c6261c8886d4c0dc04761a6426decc1a27981eee383ff3fec7c87c6370
Manifestd22f6fa1577134a212420a158abb6738f7b442579d3de512376bf9d160376636

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
SignatureDlQfd+pz4HeGYXEqkqYE5OQVkrsCqPqlYNyqKrAs58xgomhd5GJbeWyQSmRNu2xl3G4sSmI/eCIj7sECzlrCAg==
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

2026-09-17T10:32:14.891328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067016
observed 4ca571c6261c8886d4c0dc04761a6426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.875306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067016/manifest.json
observed d22f6fa1577134a212420a158abb6738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.860742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067016/publication.md
observed c8aa2b949efa087bfa3534ec06734622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.843928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067016/publication.txt
observed a12a9edc1ea060146611f3f749725211...
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.