OpenTechnical

OT-2026-000019399

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off before 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-2026-000019399) never changes.

Identity and time

Publication numberOT-2026-000019399 · never reused
Internal UUID01a0ae6e-f393-7f5c-b247-14adb164f6ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019399
StatusPUBLIC

Content hashes

Canonical textbcb0833397108409b313ce5ccf0d130e41c1ae5af3b46f7bce3856867e77cc4c
Markdownbbdb9c5e6e197ab0075715ae3f1bd10448a05f78d3f5e0595d4b8e9f68168d36
PDF
Publication pagebf754b7748bdd5c296810c7d36cd47438803d9eea5e61a4b9bf73613610597df
Manifest3ff14bb1eb76c00eb7b5b021ec613f94a5e9c07b182180723df5f9ce417a7229

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
SignatureEjzsgy+zm03q5r8kjcN7B5q//2vwdgRw5YmGJGawcJD5wWzIkVDkyBip8rXFKjyC4UovknQelySV8s6oWtr8BQ==
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

2026-09-17T11:58:47.091205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019399
observed bf754b7748bdd5c296810c7d36cd4743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.071741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019399/manifest.json
observed 3ff14bb1eb76c00eb7b5b021ec613f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.052243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019399/publication.md
observed bbdb9c5e6e197ab0075715ae3f1bd104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.031514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019399/publication.txt
observed bcb0833397108409b313ce5ccf0d130e...
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.