OpenTechnical

OT-2026-000010803

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, vented 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-2026-000010803) never changes.

Identity and time

Publication numberOT-2026-000010803 · never reused
Internal UUID01a0ae6c-0ee9-76c8-a5bb-307767ede3ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010803
StatusPUBLIC

Content hashes

Canonical text9df53cbb1d31932d9cfbb8f18879fd654f7bd623457d336f56733f73e249983f
Markdown86719bc75b7bca92ccecbc2de366a21bfd64ee0b22727b21f7d2e3e183f915db
PDF
Publication pagead623d4a01cc81253d0e7d4e0135ce284c802980e543b55bfa93d12e8e283db8
Manifest4ea097f096a635f132a132b1c01675ec928c678ae5e4c514359a6231d12686d7

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
Signature3bLr9pKUqxXEjIfTK9FMC1867c7hyQ+ww9a3GI1gHbRqvsY+03YlLWUa2CP9OJeAxWpeNzfLzOTel13gQ7QdCw==
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

2026-09-17T12:15:44.541760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010803
observed ad623d4a01cc81253d0e7d4e0135ce28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:44.523269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010803/manifest.json
observed 4ea097f096a635f132a132b1c01675ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:44.504339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010803/publication.md
observed 86719bc75b7bca92ccecbc2de366a21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:44.485432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010803/publication.txt
observed 9df53cbb1d31932d9cfbb8f18879fd65...
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.