OpenTechnical

OT-2026-000044209

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000044209) never changes.

Identity and time

Publication numberOT-2026-000044209 · never reused
Internal UUID01a0ae7b-d67b-7bea-8a86-eeaf0c3e456f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044209
StatusPUBLIC

Content hashes

Canonical textb2a8d06637e86ebd3dc3ba43612747f9bf07fae3204debc679bf948a65e00df6
Markdown7309f149e626fbdfa10e38bb514d42710def96c8ebb79b5f3766f6a20103b165
PDF
Publication page2f66dd4fb9d8da2d97f6dc1552926c515bc805d9ffed24f5e23783a0fd7f6a55
Manifest7cdea8c1975e2744e61d728802069821d962eae8d7c4cac8fdaaf0ea963caf97

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
SignaturexBNlG5Jeihv/RjlXV6cWZ6tG4/mHyux68zmoAGCaKyYBlEnBOx34VLMI4D3p7Fg7qjbqTl1o8hSeLDgMH/hhDA==
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

2026-09-17T11:12:45.821500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044209
observed 2f66dd4fb9d8da2d97f6dc1552926c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.802338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044209/manifest.json
observed 7cdea8c1975e2744e61d728802069821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.783299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044209/publication.md
observed 7309f149e626fbdfa10e38bb514d4271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.764786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044209/publication.txt
observed b2a8d06637e86ebd3dc3ba43612747f9...
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.