OpenTechnical

OT-2026-000030398

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000030398) never changes.

Identity and time

Publication numberOT-2026-000030398 · never reused
Internal UUID01a0ae73-e503-7f90-8cb0-c388bc3faa48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030398
StatusPUBLIC

Content hashes

Canonical texta58a29ccd12d7545ed893da1cf43a922222243d5cb06415e7fa6a889f38adacf
Markdown87f8873765768e42e34a25c3dd5788906dbc8414378590d2c6bc23bc08800432
PDF
Publication page6562c4be769555366df13360b91bbb8283b437a0e47ae8f1e67aafe7cb55767d
Manifest026e3ff06557d9cc35e265ecbcb5b32e40686bc5bc0d6470f45073c8e0b2aee6

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
SignaturepFJhlDQGB7qwECZt2hZSexIRkJW7JvbbyJhZQALk+qNPpAmkoiOE6F3vgeF2Wz5F64WHBKSPsr0eYTB0KBhLBQ==
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

2026-09-17T11:38:07.626391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030398
observed 6562c4be769555366df13360b91bbb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.610083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030398/manifest.json
observed 026e3ff06557d9cc35e265ecbcb5b32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.593398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030398/publication.md
observed 87f8873765768e42e34a25c3dd578890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.574165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030398/publication.txt
observed a58a29ccd12d7545ed893da1cf43a922...
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.