OpenTechnical

OT-2026-000040217

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000040217) never changes.

Identity and time

Publication numberOT-2026-000040217 · never reused
Internal UUID01a0ae79-26ff-71cf-b373-f3bedafd10c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040217
StatusPUBLIC

Content hashes

Canonical textaa7cc927d506239d3d1e1fa6426f3a5b4d4559cf715d9a764eea45438339fe7f
Markdown8cdf737a1f93993087bb7019e105c87cba14d4fd8d7d13c3a5402e80fb839569
PDF
Publication page3f6874c95ac3c500f94f5c4866325e5ed313807642a6b3fc8829e29047cb4bc1
Manifestdf1da8ce210c564d7caf598094e5e601300c90dc90f5cca5ca4b4ca4e95d419f

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
SignatureKrEjPx2BKmirm6qK3H6SJTsDOzF+Q6RTysQGEgfsUwr2OVB5rpHwr3YG2DJhK2VI8kJ2nW65ioc7t6KshZqOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:06.193176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040217
observed 3f6874c95ac3c500f94f5c4866325e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.177321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040217/manifest.json
observed df1da8ce210c564d7caf598094e5e601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.161267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040217/publication.md
observed 8cdf737a1f93993087bb7019e105c87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.144428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040217/publication.txt
observed aa7cc927d506239d3d1e1fa6426f3a5b...
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.