OpenTechnical

OT-2026-000040530

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000040530) never changes.

Identity and time

Publication numberOT-2026-000040530 · never reused
Internal UUID01a0ae79-6d0d-72e6-a78a-fc7752526efa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040530
StatusPUBLIC

Content hashes

Canonical textc75170ddbc3ae6366b86ccd78d42a51de0e4e554af6511583fd8ad3b9a13f694
Markdownf144a8e1b9c27e13ddb6c225110752772f620b5e7ef68ab5d4a126b19d093874
PDF
Publication page01bc9c5c88f5b3785508c201d4e287adff5bbfe6b2ffbf82af885ae88c8cb95f
Manifest5065699321efd7c63421a5b62f38a4f8d314ca366da58189bf8924df3f5b5926

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
SignaturezRgAkaSujNrYMX/f9VXxGAh3Y2G6uhneOeEeKyWFnlYvlgUJ+Uo66Nau27hcx57pra07/onilyAjuo65kiD1Cw==
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

2026-09-17T11:17:40.795199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040530
observed 01bc9c5c88f5b3785508c201d4e287ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.775005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040530/manifest.json
observed 5065699321efd7c63421a5b62f38a4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.757625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040530/publication.md
observed f144a8e1b9c27e13ddb6c22511075277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.738789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040530/publication.txt
observed c75170ddbc3ae6366b86ccd78d42a51d...
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.