OpenTechnical

OT-2026-000093742

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000093742) never changes.

Identity and time

Publication numberOT-2026-000093742 · never reused
Internal UUID01a0ae9e-508c-70aa-8f2e-af6802baf0b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093742
StatusPUBLIC

Content hashes

Canonical textc6cc259511de4e60e4e8a84a0e5dfe95939e803d7460b6aef544242b326680ce
Markdown1c1c4c072a8427ad88795ee21eec8d489739f0c9f94a3950e08b2907d1bafded
PDF
Publication page69344ec818530aa03f7db48a3047ef9756fd7bdc6c7d3805511b76ab55f515ac
Manifestab0603d6428c4a9fbb9736b3d5c810aa806075f43a796a835f6ffad30ee6528e

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
SignatureWAHbxxbdHHRL4wA8A36L0cDR174oKDcUtoj/1Ya/ObcW6Q5vhcz2vdgmuVG88MOoehLCGKlFgnz09GZ2HNYXCw==
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

2026-09-17T09:39:49.242440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093742
observed 69344ec818530aa03f7db48a3047ef97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:49.226419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093742/manifest.json
observed ab0603d6428c4a9fbb9736b3d5c810aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:49.209034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093742/publication.md
observed 1c1c4c072a8427ad88795ee21eec8d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:49.191630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093742/publication.txt
observed c6cc259511de4e60e4e8a84a0e5dfe95...
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.