OpenTechnical

OT-2026-000043252

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000043252) never changes.

Identity and time

Publication numberOT-2026-000043252 · never reused
Internal UUID01a0ae7b-327d-71a7-8bdf-e61d0eeaf849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043252
StatusPUBLIC

Content hashes

Canonical text4c1235a3bea29a30a17bcab19247f62d2005d091d3b81b35d825dd8f250c3e78
Markdowna7021434781e85df0d306ee737ab34705bcc4a7b5be95e0b6a8e38515205fbf3
PDF
Publication page1c1583e1e147cbf8a0569fccc8da818cb45609432aece5b172182bfd3abf7bc4
Manifest760a46ad63e205054848c67d771cf3d48efa4273d411f520d5b0b871d5910c99

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
Signaturev7KFVyPMhlDCyI5NNTVNibe0D6xBtmhfloA1Ode+yaIXWNagPj0Ez1vVf8XN2UCg8V/bOkTron6bgp19CqLxDQ==
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

2026-09-17T11:13:43.919812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043252
observed 1c1583e1e147cbf8a0569fccc8da818c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.887820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043252/manifest.json
observed 760a46ad63e205054848c67d771cf3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.867184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043252/publication.md
observed a7021434781e85df0d306ee737ab3470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.848076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043252/publication.txt
observed 4c1235a3bea29a30a17bcab19247f62d...
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.