OpenTechnical

OT-2026-000048180

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000048180) never changes.

Identity and time

Publication numberOT-2026-000048180 · never reused
Internal UUID01a0ae80-4de2-7f82-9e50-3d0e1d408f32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048180
StatusPUBLIC

Content hashes

Canonical textcba9ea148171e4f09c011f13624343c214696ec80ec1659e7375a98e7fd87f63
Markdown34dcd8733bc20c0e0ce7eb6ac5525cb7a12dccf93cb20f67bc9c4f44d7b4e4b0
PDF
Publication pagec6bd1cac9771eee2277b1d29fc322887a7771381f4c1cdea2fa93ff7bc86d0b7
Manifest777b3daa930f78b85b10eb9abd9acff76abca3cf95f711751d2b7dad4b29744d

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
SignatureWMl1OF9NySDpl8f9b+IcYRmgSMhZm7YkssSy3XuQIi3cab7ykBcSLx3cKB5XFBuDJxyGuBBV4c5uiXlgOWDBDg==
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

2026-09-17T11:04:43.063468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048180
observed c6bd1cac9771eee2277b1d29fc322887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.044406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048180/manifest.json
observed 777b3daa930f78b85b10eb9abd9acff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.023622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048180/publication.md
observed 34dcd8733bc20c0e0ce7eb6ac5525cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.003314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048180/publication.txt
observed cba9ea148171e4f09c011f13624343c2...
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.