OpenTechnical

OT-2026-000010842

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000010842) never changes.

Identity and time

Publication numberOT-2026-000010842 · never reused
Internal UUID01a0ae6c-540d-7a12-be90-bbb20ea1d115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010842
StatusPUBLIC

Content hashes

Canonical textf4ba40dfb3e5c19c5db4a821219e1a3617df973db57dd385051ef10f396d5398
Markdownbaf50098d914b0cdefe366ba5e0c3310418a40ffd57eeacc473fe1fe4954cfb3
PDF
Publication pagee1dcf09fd8e36b8d1834e6e3ec49b6181b91e5e0f6bb7862bee5c98c34630839
Manifest7b625e96036757cc42ecb5e8ff59da5135d7453d973f95e1c686ede2eb6322e1

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
SignatureuqCEFX2aDYOINgafAks9I+HfNl489PTcuf9Hb9VNcmr3v0/PgekBmC2Xc/AYwUo1sIb0qDued3JB0ohN09/TDA==
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

2026-09-17T12:13:35.921610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010842
observed e1dcf09fd8e36b8d1834e6e3ec49b618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.901841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010842/manifest.json
observed 7b625e96036757cc42ecb5e8ff59da51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.880720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010842/publication.md
observed baf50098d914b0cdefe366ba5e0c3310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.859624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010842/publication.txt
observed f4ba40dfb3e5c19c5db4a821219e1a36...
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.