OpenTechnical

OT-2026-000038117

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, 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-2026-000038117) never changes.

Identity and time

Publication numberOT-2026-000038117 · never reused
Internal UUID01a0ae77-f88b-7b71-a83c-a8c2739791c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038117
StatusPUBLIC

Content hashes

Canonical text0e1bf3fc1ee1f86f2f69a02df7aae8a2759c340687af7ee5fdafe833314a7c26
Markdownee45cd7ec196ddf1268fd43bf814e2cb848c18fd63996354b716dda629350595
PDF
Publication page36c1764f60472bbb0e6e64588855d6707fceafa3b784c82e61557e2db97004d1
Manifest2a9bb43fe82aef1fd03aa93ad55083121c7e387f22f23f11fd6409cb9d31a307

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
Signaturejbqwzi9BghJpExSRQMztqzATdnyZ+M4tyQbhu0IrwQZPhUI0uVWBpPQHYD0blZVqYILpe/iDx3E3xzHgnAcBDQ==
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

2026-09-17T11:23:27.441576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038117
observed 36c1764f60472bbb0e6e64588855d670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.422438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038117/manifest.json
observed 2a9bb43fe82aef1fd03aa93ad5508312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.403649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038117/publication.md
observed ee45cd7ec196ddf1268fd43bf814e2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.385442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038117/publication.txt
observed 0e1bf3fc1ee1f86f2f69a02df7aae8a2...
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.