OpenTechnical

OT-2026-000060538

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, vented after 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-2026-000060538) never changes.

Identity and time

Publication numberOT-2026-000060538 · never reused
Internal UUID01a0ae8a-b7cc-711a-898b-297b66fd03c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060538
StatusPUBLIC

Content hashes

Canonical text2bbb2f5f2cac77f8356651eda07e67723668188effc7311ee07547406b505287
Markdown14e7ab9506ab29832cb74508e41533105ca1cf64a64d8e6e76095056404db2ed
PDF
Publication page1ee56de3218eb17d0f763c617a7ac2dcf6d85446e55eca9ec755272b703f4238
Manifest6c93fe12000636cbb53dcb0109d355c14306fcbef84f354c2adf8918737d0038

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
SignatureqCqsudVNwPrbvm1LL0Q+7AQuEED7OBDoIZsvyRrVWmY8Cg2dJFhLihw+7xl4dh1bYYPVurQIF4dX9/wUEINhCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:08.797767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060538
observed 1ee56de3218eb17d0f763c617a7ac2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.781179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060538/manifest.json
observed 6c93fe12000636cbb53dcb0109d355c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.763173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060538/publication.md
observed 14e7ab9506ab29832cb74508e4153310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.746057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060538/publication.txt
observed 2bbb2f5f2cac77f8356651eda07e6772...
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.