OpenTechnical

OT-2026-000049374

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000049374) never changes.

Identity and time

Publication numberOT-2026-000049374 · never reused
Internal UUID01a0ae81-8f7b-7ebd-8d70-d875eddecec6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049374
StatusPUBLIC

Content hashes

Canonical texta1e251f647cc590d97859bbeb3dab79ba57e6cc978c033a35b73bc8961cf3ae6
Markdown30b28cb2050e3615b5a4b86b28870072cd7fac293d0557c2d6a2d717a9d33aba
PDF
Publication page3817428283f6c106f45b5b4776ca834f0c24db82b3b6f8c1b9980c3c3a6dc1b2
Manifestac89baaa8f576703d0b2ecf6220795e2ace48435562019e94b9ff44dbc5fe7b7

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
Signature7jMKkIm/BdBx2nIAmgfkNpHWj4lM7KRbODi+eWvtSTA10yPvz+6jtrXCd780Yj+/K1kuohb4AxFtUe6Wuj3JAw==
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

2026-09-17T11:02:10.636470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049374
observed 3817428283f6c106f45b5b4776ca834f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.617466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049374/manifest.json
observed ac89baaa8f576703d0b2ecf6220795e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.597600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049374/publication.md
observed 30b28cb2050e3615b5a4b86b28870072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.575780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049374/publication.txt
observed a1e251f647cc590d97859bbeb3dab79b...
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.