OpenTechnical

OT-2026-000049591

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000049591) never changes.

Identity and time

Publication numberOT-2026-000049591 · never reused
Internal UUID01a0ae81-8f7d-7d4b-b2bc-e7b2b769dba6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049591
StatusPUBLIC

Content hashes

Canonical text94441fddcb3acbe92f83481106484f80e35a5da2ccd8c794624d28dee3cfad6b
Markdownd41ff7b414612a3fb3a099de652d9a20ac0da1c796b55f1f5b432fc78da4dc44
PDF
Publication page7139c94c7000da11e2035b75a65706c730f9bc72c8941e415875eb56a013343a
Manifesta309dfa9ae75bfb6e2840580c860d15e1682cd8ea97bd25728b63b09d837e8f9

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
SignatureeDWzZgsiCs/gBZbR55H+yPi70yCqxTMIV+2Q6VrBniQze7Ps+xGLO+lJB2Zrony+YwkRbKpDiKnGTxHbmDg4Bg==
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

2026-09-17T11:02:34.003095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049591
observed 7139c94c7000da11e2035b75a65706c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.982451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049591/manifest.json
observed a309dfa9ae75bfb6e2840580c860d15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.959862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049591/publication.md
observed d41ff7b414612a3fb3a099de652d9a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.940593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049591/publication.txt
observed 94441fddcb3acbe92f83481106484f80...
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.