OpenTechnical

OT-2026-000044581

Publication integrity record

Three cup vacuum gripper, three 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-2026-000044581) never changes.

Identity and time

Publication numberOT-2026-000044581 · never reused
Internal UUID01a0ae7c-39d9-7af1-b00f-4358086db28a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044581
StatusPUBLIC

Content hashes

Canonical text3e8129e0a5ce5d9ecc1223d792eb09a5ea9bc0de55c26bc11817e4e3158d30e4
Markdowncfab30a25180c0c8c8eaaea422e8d351debd7cd227e805f6fd9bad845823ed9f
PDF
Publication page33c7cfcd2276d39559cbdd54dad77233a67d107f7ade775d3d16b3b267db5488
Manifest04e8fca0ebc634359cff7f0f00f133de7f605a606634ac178f3ab65acb376e06

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
Signature1QTyfHypgi+VgnQ07OMe2Opuwwa2AcxWlOHWy3WVeyPu/jzHMrIJwlNL6SWXxl7kF0sDDPSLGa0WEM8vWmYIDg==
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

2026-09-17T11:11:46.798259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044581
observed 33c7cfcd2276d39559cbdd54dad77233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.779413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044581/manifest.json
observed 04e8fca0ebc634359cff7f0f00f133de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.761291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044581/publication.md
observed cfab30a25180c0c8c8eaaea422e8d351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.744062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044581/publication.txt
observed 3e8129e0a5ce5d9ecc1223d792eb09a5...
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.