OpenTechnical

OT-2026-000042320

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000042320) never changes.

Identity and time

Publication numberOT-2026-000042320 · never reused
Internal UUID01a0ae7a-5d74-7557-b3ea-9fad1407c51a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042320
StatusPUBLIC

Content hashes

Canonical text3fd5c429cd6e0345346007c0588d642a2b6a46eab53863d4e5986c6240ba6a09
Markdown87ec8c0632b651add7133eb33b47125e4a8abc5eaba7b1f4f739fbef6015dbce
PDF
Publication page4d011dca706d3d87bb181648d3c833b9c6b50f3ec72f09bf4b41b61d239a0531
Manifest2cec6d28c12b6cf2b8d579fe3282c888e1b80587b1a7749031448dee2b0c0e2f

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
SignaturemLZ3H004wOI+c82Pjxbgwg2ItkGeHuONLswUrN3IoxciqZV5dls5gc2++AcehJx585/yeFPX9BkYqznFF9XIDQ==
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

2026-09-17T11:16:01.415629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042320
observed 4d011dca706d3d87bb181648d3c833b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.397743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042320/manifest.json
observed 2cec6d28c12b6cf2b8d579fe3282c888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.381484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042320/publication.md
observed 87ec8c0632b651add7133eb33b47125e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.363386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042320/publication.txt
observed 3fd5c429cd6e0345346007c0588d642a...
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.