OpenTechnical

OT-2026-000045195

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000045195) never changes.

Identity and time

Publication numberOT-2026-000045195 · never reused
Internal UUID01a0ae7c-f769-7361-a7fc-336547096f22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045195
StatusPUBLIC

Content hashes

Canonical text94dfbeb674f03399fe3efdd8af74787387e115cf60c4ff9920c8b02ddeae4f82
Markdown74cbbc050fb1843a6d0c13804382c46af6b84b281307f62c76f539ac7a4aac3e
PDF
Publication page83d5842fcf0b5f6bade5b3f5c18e1b28cb214ad04830dd8c4c0062f4377f1774
Manifest1a19855b96fe82379a3b6aded74cc43f0e367ef7c5d0742d22181deb65b574d3

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
SignaturemU7/1qxAB0r5h9PiwbJk6CKp6P90QQy2D40w14bF5tIamJ3iWEr1ab83g6EUDh108sHEdMRprhBnccgBVhWXBg==
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

2026-09-17T11:10:22.218622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045195
observed 83d5842fcf0b5f6bade5b3f5c18e1b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.195904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045195/manifest.json
observed 1a19855b96fe82379a3b6aded74cc43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.176185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045195/publication.md
observed 74cbbc050fb1843a6d0c13804382c46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.157178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045195/publication.txt
observed 94dfbeb674f03399fe3efdd8af747873...
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.