OpenTechnical

OT-2026-000045599

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000045599) never changes.

Identity and time

Publication numberOT-2026-000045599 · never reused
Internal UUID01a0ae7d-8f02-7228-bb4b-550469318eea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045599
StatusPUBLIC

Content hashes

Canonical text53a3264f72bd2c01f3d3ee5cf4daedf42c4a8248c6fe277f4ff52aa9463a6e4f
Markdown81351f343e5b8057b5f365798506aec08012dbcc3bb0414932d957e6759635c4
PDF
Publication pageeffcf1012544ecf007456ff38d8ee0186b17441cdc20b68058a856be6e038676
Manifest420f5fbeb955183868b35f5be175303bceedf73ae8ed8a61bb26303b7e1f8c81

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
SignatureqQugEyrMKTMeSeGE8C6U3KqQMai4Y59f1iAhRztlfC5EU6nmGBeGV0WDVHPSlkLya0bR2jN03BCyaLDma/unCg==
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

2026-09-17T11:09:22.305125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045599
observed effcf1012544ecf007456ff38d8ee018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.285734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045599/manifest.json
observed 420f5fbeb955183868b35f5be175303b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.264093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045599/publication.md
observed 81351f343e5b8057b5f365798506aec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.243289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045599/publication.txt
observed 53a3264f72bd2c01f3d3ee5cf4daedf4...
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.