OpenTechnical

OT-2026-000064735

Publication integrity record

Four cup vacuum gripper, four 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-2026-000064735) never changes.

Identity and time

Publication numberOT-2026-000064735 · never reused
Internal UUID01a0ae8d-deba-70f5-853d-0a6288ee4599 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064735
StatusPUBLIC

Content hashes

Canonical textdda8f27becc75d2f29f379307fd55d085cbc711b0c222ebc8cc81c36c9789436
Markdownd72557cce321ff34f60eaab230d00d0dc885af9bbe62f752acc0a148600c34a5
PDF
Publication page96648a3c4ae51ebb2217e027f95ce9b4d8ac2af53748ba35ea6b2d4f4d678a6f
Manifest591f933b6c9373925ea1a26b730f4e56ce8cd92b8c0283da6ac1aa4cd434020e

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
SignatureGS1pFVKoASiCbXt+7xCn4wfPLIWRQFbygwXHu/SEE0fhWnE+sKl6BjTXEMBNzFLg746aS2Pf5IRjp/7Gq36oCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:36.850395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064735
observed 96648a3c4ae51ebb2217e027f95ce9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.831552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064735/manifest.json
observed 591f933b6c9373925ea1a26b730f4e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.811046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064735/publication.md
observed d72557cce321ff34f60eaab230d00d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.793015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064735/publication.txt
observed dda8f27becc75d2f29f379307fd55d08...
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.