OpenTechnical

OT-2026-000091377

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091377) never changes.

Identity and time

Publication numberOT-2026-000091377 · never reused
Internal UUID01a0ae9c-f16d-7f45-b7a3-786610b31c44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091377
StatusPUBLIC

Content hashes

Canonical text8edd1d675745f702ac5629752ebf72abdaef0fc9d7bba2c1174959acabb22eb5
Markdown9e1fad531b1feec11b4905a1e9c1a30f947f2c5a9e034f65bd548189bac55e84
PDF
Publication page82dab2255172d9deaa1304e2d3540a32eded3a0c779d6b7a1ece29994b4259b8
Manifestb05e3b8de336dbfbc729a18efd36673022702635316347a60a2dacdd0e636e69

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
SignatureEzTmhiF/QTKWBubExlzbQ1mECo/j7WDqUtq6g5hk1M6tJzBSRK4GZqGEx4QswpLG6if787iahBDc62z5RUJBDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:35.864392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091377
observed 82dab2255172d9deaa1304e2d3540a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.844396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091377/manifest.json
observed b05e3b8de336dbfbc729a18efd366730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.824607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091377/publication.md
observed 9e1fad531b1feec11b4905a1e9c1a30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.804587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091377/publication.txt
observed 8edd1d675745f702ac5629752ebf72ab...
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.