OpenTechnical

OT-2026-000029673

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029673) never changes.

Identity and time

Publication numberOT-2026-000029673 · never reused
Internal UUID01a0ae73-5e23-75dc-85d0-5bd8beabd7de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029673
StatusPUBLIC

Content hashes

Canonical text457e788e77e36192454bf92cca31d8c28cdd8e052149a0bb5a3d42292d517720
Markdown6adc2b657fd6fe766812e3ef4e2fb5989b069ce94078299f96f2d702618a6f56
PDF
Publication page223a2904a0f731fec73c6df7f5982918987968bf5b383356f4c112a092c066e7
Manifest14656dc792087bc5c6fa845c633dc4fd6d6818e475c065f4ee0e97b647270474

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
SignatureSuw8ZZ/wBrCwFi+BaRKLmEOlEi1eb8zdZuGE5L1NE9Z+HbkV258bg3f94uVD7/JCui8CqFMFhMYTVshGBsRTBA==
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

2026-09-17T11:39:23.612064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029673
observed 223a2904a0f731fec73c6df7f5982918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.594460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029673/manifest.json
observed 14656dc792087bc5c6fa845c633dc4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.577157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029673/publication.md
observed 6adc2b657fd6fe766812e3ef4e2fb598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.555851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029673/publication.txt
observed 457e788e77e36192454bf92cca31d8c2...
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.