OpenTechnical

OT-2026-000055192

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000055192) never changes.

Identity and time

Publication numberOT-2026-000055192 · never reused
Internal UUID01a0ae86-a0fe-71fd-941b-9fa710c8c59c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055192
StatusPUBLIC

Content hashes

Canonical text3f827a5d6b08dfc453fb2909efe694fb19830790974deae238f17e26e6a27957
Markdowna1af7aff01ea0e78caae0993b9ded41f2c59bce467856509fe8637a92d6e10a1
PDF
Publication page4867076bec67e6b4ddd9843c30639265916738c31be685008914e0f12b7ad792
Manifest237263260308beed7629dbe365050a990b82e590ce5a99c610d225ac5ec0d917

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
SignatureKw/LB4vUpUAqsKDA3wK3BINecKndQL1FCmymlAjLv7lZUBgnPQ58gmyJbXtTn7i1D5LdXCfLz4ZVvfg6K5JwDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:45.893674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055192
observed 4867076bec67e6b4ddd9843c30639265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:45.877482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055192/manifest.json
observed 237263260308beed7629dbe365050a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:45.860393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055192/publication.md
observed a1af7aff01ea0e78caae0993b9ded41f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:45.842081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055192/publication.txt
observed 3f827a5d6b08dfc453fb2909efe694fb...
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.