OpenTechnical

OT-2026-000041961

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, sustained 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-2026-000041961) never changes.

Identity and time

Publication numberOT-2026-000041961 · never reused
Internal UUID01a0ae79-e8a7-7d5f-9e5a-84924b0eaf3e · 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-2026-000041961
StatusPUBLIC

Content hashes

Canonical text046cb7bbaaf45202ee5d536de91789c5228c97ff829ef6b1f84468149b544816
Markdown6300f54292f837c5438596bd13bd0603f7b37a23173957a01bf45c5a17fb2d92
PDF
Publication page679f67fa8290b6538a1f2eb6202eab4118a3667453d5ab3d5eb1e89fa8c62df8
Manifest69957c951a995378038fe7241846adbf543436145d976a5764c268b183ee3875

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
SignatureIft+E3sz2kC52K+HUVNky9aFbqDIArSOUs6d4DACXAhu8H6C17k2jvu4wYwb8OVPncladgu0Sf87RWuxR+UWAA==
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

2026-09-17T11:16:51.196416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041961
observed 679f67fa8290b6538a1f2eb6202eab41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.179391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041961/manifest.json
observed 69957c951a995378038fe7241846adbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.163906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041961/publication.md
observed 6300f54292f837c5438596bd13bd0603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.147408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041961/publication.txt
observed 046cb7bbaaf45202ee5d536de91789c5...
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.