OpenTechnical

OT-2026-000041748

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000041748) never changes.

Identity and time

Publication numberOT-2026-000041748 · never reused
Internal UUID01a0ae79-e8a1-786e-b8f8-978419fec2de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041748
StatusPUBLIC

Content hashes

Canonical textc3e47700e1e711c295bdcb6e41b994388ddcee5e5e6e5b0fa132dd1b77196358
Markdown9a5cbbf6a14e145049dbad87d98189d10315274fd3443ed29eed21ac2f349ed7
PDF
Publication page936cdbb356d64559d3de7fc3619a20a47afaa7c5de16b5311a49e45309999464
Manifestb25b239757074c1ea72aeb24f674d7de20086496bf57ed2a121f5b3146d40bcd

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
Signaturej50GIOe/M0HAtQ/3XYrBC9eUJZvdvF02R9c0o1BRR6qmSnjesMhD5Pj6j/yUR9H+0C9AJGOGf5TmbLB8jlDoBw==
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

2026-09-17T11:16:35.540403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041748
observed 936cdbb356d64559d3de7fc3619a20a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.523782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041748/manifest.json
observed b25b239757074c1ea72aeb24f674d7de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.506458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041748/publication.md
observed 9a5cbbf6a14e145049dbad87d98189d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.488946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041748/publication.txt
observed c3e47700e1e711c295bdcb6e41b99438...
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.