OpenTechnical

OT-2026-000032152

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000032152) never changes.

Identity and time

Publication numberOT-2026-000032152 · never reused
Internal UUID01a0ae74-f7a5-7cd7-bb37-8fa566676340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032152
StatusPUBLIC

Content hashes

Canonical textfd467e53ace9d76645f381cc393c04ea76de71adfe2709244d7dc0efaf958775
Markdowne405621c10f7455c47dfd036e9ff45da72ba7c2de6fdf0142de238a4041272b9
PDF
Publication pageb45bcd39708c19184ebeba3b244e1b1836cb36cd644a020c14f5f5b30e619e21
Manifestdc6271a2d625f2da49dec06fb2ada5a554dec69ab8ba365e9e98d23a972a496d

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
SignatureNi7u7sRp0nzrmafeD8/kRnL7DnB3yZ/zuLLJrfPjArBV3JK3kMUdEl5H/+Znfi3YFeZEzGIHra0wSqUhUXjsDQ==
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

2026-09-17T11:34:28.535601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032152
observed b45bcd39708c19184ebeba3b244e1b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.518120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032152/manifest.json
observed dc6271a2d625f2da49dec06fb2ada5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.501415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032152/publication.md
observed e405621c10f7455c47dfd036e9ff45da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.481980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032152/publication.txt
observed fd467e53ace9d76645f381cc393c04ea...
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.