OpenTechnical

OT-2026-000104528

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, vented after set-down

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-2026-000104528) never changes.

Identity and time

Publication numberOT-2026-000104528 · never reused
Internal UUID01a0aea7-239f-7d6a-95f0-31e6c6a9363d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104528
StatusPUBLIC

Content hashes

Canonical text9204dfd124dd9d98b2aac87373ff6daf8e555ba8cd797c2f7a5c09e564c512f7
Markdown96756d2c6fa84cd852eebcc0c866e97d6bfd077495f3a39d302fd4ade61f9e5a
PDF
Publication page92d70fc0ad4567af79db08759f7459ccd769fd4a353acb4dc7f332a9ac22d29f
Manifest3dc6520f2763455676202d82127b6eee6ae5af763fae4f4fddc62699bdd6986b

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
SignaturerEken8FO4kEazdKz+cO6exPTiE2S7vP1x5HrhmmfhUToWA+xGpPA2lyFL9eJfhO+IFxzfmLT3vio6HgFDIEXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:02.745455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104528
observed 92d70fc0ad4567af79db08759f7459cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.728345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104528/manifest.json
observed 3dc6520f2763455676202d82127b6eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.711999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104528/publication.md
observed 96756d2c6fa84cd852eebcc0c866e97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.692273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104528/publication.txt
observed 9204dfd124dd9d98b2aac87373ff6daf...
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.