OpenTechnical

OT-2026-000013421

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000013421) never changes.

Identity and time

Publication numberOT-2026-000013421 · never reused
Internal UUID01a0ae6d-6fca-7d5e-bdf0-c3a1e30a9067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013421
StatusPUBLIC

Content hashes

Canonical text39d482e44947d0a31d89665168c2a2b23e6b744ac339945ec004cd1b31f798c7
Markdown6c812afced7cdfce979a41907c5d71e8daccdeb3d295d88e6f7cfb7df1b45fd1
PDF
Publication pagedab1067239b694dde11487a741199a7e68b3f94a6b3d3f9de1bb080b8599120f
Manifest7008c62a83dfbb884cccabd7e7a5c75ac41179fe5daeb48d231bf83dcd8ed878

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
SignatureJofDdWNLvSJJZKD58qXD0jkFM7LA40RZ1mH3Vz/8eTl+awN65CJ9SHbuYApz/XhheeYFBIMyeARMfkp7k1R5Aw==
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

2026-09-17T12:09:54.213181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013421
observed dab1067239b694dde11487a741199a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.196490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013421/manifest.json
observed 7008c62a83dfbb884cccabd7e7a5c75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.178133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013421/publication.md
observed 6c812afced7cdfce979a41907c5d71e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.160097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013421/publication.txt
observed 39d482e44947d0a31d89665168c2a2b2...
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.