OpenTechnical

OT-2026-000005754

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pressure verified at each zone, silicone cups, oval form

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-2026-000005754) never changes.

Identity and time

Publication numberOT-2026-000005754 · never reused
Internal UUID01a0a943-b215-7944-be8c-717051964830 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:41.145535Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005754
StatusPUBLIC

Content hashes

Canonical texte41d3eeb9fed14b2cba7f48135731862b52ce235a05d47fa2e3b48e75fbfe1d3
Markdown9b74fa7d2d745313495c13aa964547b12538cb3bef7031b2a5af4f8a3c8c4f48
PDF
Publication page1d341a43863bb253e4dc80ea19f9cbf81f7bc537025285c2ff825b07143769a8
Manifestae3d2ddd2fe84f0c9d4dc948c464d0d9812d545746a66acdd065775748e44f62

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
SignaturewQCyrHFopGiNM0AwFTnLxWUXZvX5S2CkcCenIGHkqCYKd5ExVUtFoF1RZXV0IbbCkJoz9QY9CWdm471YVVNYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:03.706198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005754
observed 1d341a43863bb253e4dc80ea19f9cbf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.692729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005754/manifest.json
observed ae3d2ddd2fe84f0c9d4dc948c464d0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.679369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005754/publication.md
observed 9b74fa7d2d745313495c13aa964547b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.665928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005754/publication.txt
observed e41d3eeb9fed14b2cba7f48135731862...
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.