OpenTechnical

OT-2026-000020846

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000020846) never changes.

Identity and time

Publication numberOT-2026-000020846 · never reused
Internal UUID01a0ae6f-65e3-7384-b285-fd0a7f077f33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020846
StatusPUBLIC

Content hashes

Canonical text60b7e72a3476c99e4c6e6560fa8719c8cfbc7474e7b946c452960640ebd482a8
Markdown5b3073ece763d7677934d04d506cea620b0eeef52153d584d5b3edbde58c4e37
PDF
Publication page0e27cce2940cb2d7b85231ac5d866ae7cfa71771e8ffe0c53389c773b6a69df8
Manifest43ca6e371ddcd42f65a720a7baaf2a2bc0b26e97be8056e7374efe4426cd5a4f

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
SignatureuZM2ovGVO25OB2g1q4CuY5FXLzbtq05K/ULhS2e7YDyKD1n0SC+FuhTL+Cb7QBlnSxegmz4yZwR/ygiy457+AA==
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

2026-09-17T11:55:56.613390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020846
observed 0e27cce2940cb2d7b85231ac5d866ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.595640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020846/manifest.json
observed 43ca6e371ddcd42f65a720a7baaf2a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.574783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020846/publication.md
observed 5b3073ece763d7677934d04d506cea62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.556837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020846/publication.txt
observed 60b7e72a3476c99e4c6e6560fa8719c8...
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.