OpenTechnical

OT-2026-000046791

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000046791) never changes.

Identity and time

Publication numberOT-2026-000046791 · never reused
Internal UUID01a0ae7e-d0f4-72bb-96e6-8ba5068393d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046791
StatusPUBLIC

Content hashes

Canonical textdce318d2ca46dce9c6b394cfb5a0d9e6f65d6ec431a33ad7e41e3d17b4c6abe3
Markdown59e0f998e4990107b2be154c738d47ffca6ab0a5c74f78b431b9fc6d0ba8e223
PDF
Publication page1e47194ce4811ec04d7c93913964c99094da991b1336cf893128bb610e3be37e
Manifest0e8748363d5a0f51c003bfb9a834d73b7bc07f9b7f2043231487b592f8d4bfca

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
SignatureJHef14DNH9vLCvCamQT2hoJQV3824Tkglc8uY9S772JFUTvw8Ohs/HEi/OW85FMmc+U4fevIYirGyYcgvzPNBw==
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

2026-09-17T11:06:52.145389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046791
observed 1e47194ce4811ec04d7c93913964c990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:52.125986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046791/manifest.json
observed 0e8748363d5a0f51c003bfb9a834d73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:52.106987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046791/publication.md
observed 59e0f998e4990107b2be154c738d47ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:52.087408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046791/publication.txt
observed dce318d2ca46dce9c6b394cfb5a0d9e6...
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.