OpenTechnical

OT-2026-000097576

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097576) never changes.

Identity and time

Publication numberOT-2026-000097576 · never reused
Internal UUID01a0aea1-92f1-73c0-98af-60566c69c34f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097576
StatusPUBLIC

Content hashes

Canonical texta9ecc205a3e40c585d7ccd8b9a6b98afb35c20d2831d6480a1a5bcada3584970
Markdowncf3facfcc67ddb519359c1709f7429a2147f2b70ec7b00ee7412a618575080ec
PDF
Publication page505841d1d8fe69e72a617eae06381dc24709df5ee080c5aceb97561569ff74a9
Manifest3d19558c61d308f93f81e73482ecba8949df6cce02337708a760014fb0670686

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
SignatureF0XMgmlaJ3kDcSDCJJPEAHrQWxOZfjI+ZMeNiHH3TxG/vlUDC2Af1R3oln4xEvPiAyAOv/9Thh8JXx5HMjkRCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:29.371309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097576
observed 505841d1d8fe69e72a617eae06381dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.353837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097576/manifest.json
observed 3d19558c61d308f93f81e73482ecba89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.334705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097576/publication.md
observed cf3facfcc67ddb519359c1709f7429a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.317747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097576/publication.txt
observed a9ecc205a3e40c585d7ccd8b9a6b98af...
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.