OpenTechnical

OT-2026-000063499

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000063499) never changes.

Identity and time

Publication numberOT-2026-000063499 · never reused
Internal UUID01a0ae8c-f945-7dc3-a8cb-265e7b185f1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063499
StatusPUBLIC

Content hashes

Canonical textc08132bc60d95543497463fbece837409e30d3e2567219db5651369bdf4c596b
Markdownc58f82ba44020455a19d05309a91ad4f9f04ffea50ab65068e758f7787ebb50d
PDF
Publication page74ccbc0e52f58545d7add194ef1b35adb6526865fe790e2e653a1ff054e465fc
Manifest64358b9484418976eaebfce38419276507dd190cdac4252861592914018a8d51

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
SignatureHQcRulz+KqX8eoaZym75vxUyGgkWJuoQUAwgOUj7oDv9Eae+yo9MOy4hq3ASuZP+7ZPu0Tr//ZRSvr/fTNk/DQ==
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

2026-09-17T10:37:28.708503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063499
observed 74ccbc0e52f58545d7add194ef1b35ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.690843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063499/manifest.json
observed 64358b9484418976eaebfce384192765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.673565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063499/publication.md
observed c58f82ba44020455a19d05309a91ad4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.656300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063499/publication.txt
observed c08132bc60d95543497463fbece83740...
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.