OpenTechnical

OT-2026-000017841

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000017841) never changes.

Identity and time

Publication numberOT-2026-000017841 · never reused
Internal UUID01a0ae6e-96fb-7d79-9060-0abd574d3573 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017841
StatusPUBLIC

Content hashes

Canonical textbe4d958427caedf54886bcfa6b1f169ca8f7cf77a7448646ce73673e12651536
Markdown42bcb3eac7400b3e276d3ac9add741a482639ac6948efe2e2d7122e555c14871
PDF
Publication page36ed01594e33282861eab4d1d53e34737c911285fe59f24ffff44a4d1ea94efa
Manifest9f87259e2b3149f9b9ccf1881a1f3dadce5c1254d97ee8f8bd37e690b14c1f8e

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
SignatureuKfG1D2hQlMeW/rZFv8DYPUzEdCNPR6lWMyDKm1j+ApvWfWla1A7nZq10UTfa8FTYVh7Vr6dg2zDSQM8EphOCQ==
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

2026-09-17T12:01:49.159490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017841
observed 36ed01594e33282861eab4d1d53e3473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.142468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017841/manifest.json
observed 9f87259e2b3149f9b9ccf1881a1f3dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.121521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017841/publication.md
observed 42bcb3eac7400b3e276d3ac9add741a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.104694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017841/publication.txt
observed be4d958427caedf54886bcfa6b1f169c...
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.