OpenTechnical

OT-2026-000032478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000032478) never changes.

Identity and time

Publication numberOT-2026-000032478 · never reused
Internal UUID01a0ae75-106f-70fc-b4d0-645853f54dc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032478
StatusPUBLIC

Content hashes

Canonical text1f8cf77ac77513f46cea945913647d5c5f058a62cd02559fb2d11884db1c02ba
Markdownb4965c900729a64bf7674bbcb55e4f439a77a2bcf96addf70e464130045c91b3
PDF
Publication pagef98ec4e7e199ce4f6f7708be53a391ad3f72e7b9bd95cdeed8668855484f7041
Manifest2be7124ed5f0a48359d3100fa6e43d756779a088f42d6e87e09155fff2723a58

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
SignaturewrP3iyVV9wUBad/+sabtOxB6ynj2pnFTVjrJoeSFi+TOacgUGmhqQm9cYiyxA5ImO+UZ1H88qSh3wMMn2j+gCw==
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

2026-09-17T11:33:54.688017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032478
observed f98ec4e7e199ce4f6f7708be53a391ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.671355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032478/manifest.json
observed 2be7124ed5f0a48359d3100fa6e43d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.653260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032478/publication.md
observed b4965c900729a64bf7674bbcb55e4f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.636454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032478/publication.txt
observed 1f8cf77ac77513f46cea945913647d5c...
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.