OpenTechnical

OT-2026-000047396

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000047396) never changes.

Identity and time

Publication numberOT-2026-000047396 · never reused
Internal UUID01a0ae7f-3e57-7f55-bc0f-f967ed8672dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047396
StatusPUBLIC

Content hashes

Canonical text657ce7d3aa80630f47ab36c5837f99eaa9efb6f875407297d6e5d9eb19d124a3
Markdownc6e5634b0cc162b63a85596464f45cc53dfdf1afddf6dd5b5af8c4fa0ef7ed35
PDF
Publication page30ca748f4ceb8a4128acb063b623cf65fddbfaa930544f3a71d2f2db7ff9f302
Manifest435d70015f5c7d6cbd3fd028c2a1e76e19258f6e5d89cd4d3b65198b20bd6fe7

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
SignatureNzyyeVTRxR1ur0w19CJZSkvGv9tZN6bEDEbth0qhTHJL2HxtTso/wtc7BrWNu7KycFpJXTo9qQwnZeyen5RWCA==
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

2026-09-17T11:06:24.473688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047396
observed 30ca748f4ceb8a4128acb063b623cf65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.454541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047396/manifest.json
observed 435d70015f5c7d6cbd3fd028c2a1e76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.434644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047396/publication.md
observed c6e5634b0cc162b63a85596464f45cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.416313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047396/publication.txt
observed 657ce7d3aa80630f47ab36c5837f99ea...
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.