OpenTechnical

OT-2026-000064043

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000064043) never changes.

Identity and time

Publication numberOT-2026-000064043 · never reused
Internal UUID01a0ae8d-53bd-7c92-933a-c9f62fbf5f7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064043
StatusPUBLIC

Content hashes

Canonical text5acac227b8a1cdc5d6ba73cef3b855d9351277839d06bc98660342cd98963f94
Markdownb61d7c533453fe8f983a485606f80408b7a3da4f1c677cc11c63906850a75f16
PDF
Publication paged0b5eb9fe494dfcde1bd264f6aab14d36c3601e08b514c6eeb0fa69ad10f6ce6
Manifest1df263875c409fe03a34f394fa76b7a6eca4de2d5ca8917ee408d948c931a772

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
Signature+2IOK5SzJuGpagtlzfOx/y1oPdjYe70KkOMUwYLRY1CKzFCP6epl/Aec8K2RZA6WFGk2ql64qXYvxYRKb1XABQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:07.976677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064043
observed d0b5eb9fe494dfcde1bd264f6aab14d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.955024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064043/manifest.json
observed 1df263875c409fe03a34f394fa76b7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.936659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064043/publication.md
observed b61d7c533453fe8f983a485606f80408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.915751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064043/publication.txt
observed 5acac227b8a1cdc5d6ba73cef3b855d9...
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.