OpenTechnical

OT-2026-000047334

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000047334) never changes.

Identity and time

Publication numberOT-2026-000047334 · never reused
Internal UUID01a0ae7f-3e57-74a9-89b0-a90b546af683 · 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-2026-000047334
StatusPUBLIC

Content hashes

Canonical textca78ff157a6e06ed7fb8299961813c284e05175160ab430950f6fba673d87054
Markdown65e8e11ad34df0a245c17858fbc2394954972bcaf2523a31576f07d89ba63d16
PDF
Publication page24ec99b9876c0e71541c5f4b26c0032f862226571b48f9634cecce8be4644fc7
Manifest7a191fba6bd09c961d614215353577855b6a6982b6e7fb3c2cbf16da7ae36f2d

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
SignaturenMTw356JoKCf0cyc50GAECsHk3RjHXs4s9AemP3TiRRqHPk5v9VnvgOqIKQDYWw1eHOere5yP1Z3IMFKJwlyDA==
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

2026-09-17T11:06:19.424835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047334
observed 24ec99b9876c0e71541c5f4b26c0032f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.405675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047334/manifest.json
observed 7a191fba6bd09c961d61421535357785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.388760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047334/publication.md
observed 65e8e11ad34df0a245c17858fbc23949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.368872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047334/publication.txt
observed ca78ff157a6e06ed7fb8299961813c28...
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.