OpenTechnical

OT-2026-000099338

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000099338) never changes.

Identity and time

Publication numberOT-2026-000099338 · never reused
Internal UUID01a0aea2-c972-72ac-9c41-5b903b485c29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099338
StatusPUBLIC

Content hashes

Canonical textfd9b79819c94bb59a63ee30bf814742d2b36e0cc22fc0d1892a9b9e9390cb70f
Markdown5561818a02a25a59cacc6208eff23ba5c6f96ff2820b8dfb912c91dbee5082dc
PDF
Publication pageb7a5df7dfce354fb53f2c5b56a76d719fe117dd8ef7a42ea9df54a65dd65bbe0
Manifestce4b7af31dd1c69460c94d56d311efea490fa3ec87e811b3cd89c159138cbbf7

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
SignatureoYCBO199DYEv7FQ8jhdDx8mZGJ1vowBy/Ck5FtNgeZHtLxivYViwWCGqvL+VXvMm7QCshpnN7YTQuoHxtaLVCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:05.119104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099338
observed b7a5df7dfce354fb53f2c5b56a76d719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.100619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099338/manifest.json
observed ce4b7af31dd1c69460c94d56d311efea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.081110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099338/publication.md
observed 5561818a02a25a59cacc6208eff23ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.063181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099338/publication.txt
observed fd9b79819c94bb59a63ee30bf814742d...
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.