OpenTechnical

OT-2026-000047789

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047789) never changes.

Identity and time

Publication numberOT-2026-000047789 · never reused
Internal UUID01a0ae7f-c420-7f91-a4d0-a0e3c53b7dd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047789
StatusPUBLIC

Content hashes

Canonical textc7c5caefa1baf91036a5d1c1c2ad86fc3a5487e3df4409f9c9a35e8d40684728
Markdown2ad8a00540cd0fe86767da2f30cc2d20f0e2e112e7c6ce870de5f5f0cfe8b69d
PDF
Publication pageff76adb4e562d1b992a32b84405a840ee1f62ed4fbd3abe33e69a43bc3cd518e
Manifest38c9df01b98c15d14fd0ecfc3aaf2c035fc97988210360ecdb5ade1a1593ad3c

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
SignaturesMUlgkIanbu9MOdb8AjeNhWe3GUwlZjPhIYMsZvdRjzSMd2eWGl5yH2x392HfjwPx1xogUSy32xUpNgYGolMBA==
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

2026-09-17T11:05:41.176945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047789
observed ff76adb4e562d1b992a32b84405a840e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.158689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047789/manifest.json
observed 38c9df01b98c15d14fd0ecfc3aaf2c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.138599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047789/publication.md
observed 2ad8a00540cd0fe86767da2f30cc2d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:41.120434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047789/publication.txt
observed c7c5caefa1baf91036a5d1c1c2ad86fc...
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.