OpenTechnical

OT-2026-000085847

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000085847) never changes.

Identity and time

Publication numberOT-2026-000085847 · never reused
Internal UUID01a0ae99-e829-7bc0-9882-7222b119a34f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085847
StatusPUBLIC

Content hashes

Canonical textebc45505d60b7c3e9a25e80dc01b08229b479a566deb979246c28e5ca610ae53
Markdowna1cde2f412a06f796cbc17664d431353f21cbc8af20c799f4e40e64deb6e33d1
PDF
Publication paged70ee3c96ed14b3a1502f72f3956ab923d7199b5c7dd8dfdf7b95684943ea766
Manifest802b832654cbb6b528fca24e14a1d735da7e27b958303507709610f9dacb8c92

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
SignaturekDT+BiOO5jhfMvfpf5wqTT+VrSo/xgjuPQp1ktTiUK2/r+vwZ1bwzDROe+5N9Pi9dGo01bKBlUHL1YSmb6zkBg==
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

2026-09-17T09:52:46.412854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085847
observed d70ee3c96ed14b3a1502f72f3956ab92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.397103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085847/manifest.json
observed 802b832654cbb6b528fca24e14a1d735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.380845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085847/publication.md
observed a1cde2f412a06f796cbc17664d431353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.363642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085847/publication.txt
observed ebc45505d60b7c3e9a25e80dc01b0822...
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.