OpenTechnical

OT-2026-000006111

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, contact triggered, vented 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-2026-000006111) never changes.

Identity and time

Publication numberOT-2026-000006111 · never reused
Internal UUID01a0a94f-ae9f-7a0b-aed0-a0e920495eef · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:46.689798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006111
StatusPUBLIC

Content hashes

Canonical text661e5da1f4c363c098970912939e68c1705733a207a0f9c1f70b5d810113ae5d
Markdownfdc13138aeb6a1d823f685e48b940fe6d3f4235e1f81b5c645354453bf51ff5e
PDF
Publication page5b425480b64e9b18345199ed31421113e8b309073aa967c296b51d3d428ad4a2
Manifest73f4c05dd899fe33f845a42bffecd1df6ae4a90ac0578a962a92fa37d00b7999

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
Signatureg+6150a5p5eO3E1MI3TwUwmmgF68er6RVf9PBUZbsPcjAS5lrAAMdZ6oDThtTvpUU0gJ1WTvnw3C089jZFhxCA==
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

2026-09-16T08:30:26.202414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006111
observed 5b425480b64e9b18345199ed31421113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.188749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006111/manifest.json
observed 73f4c05dd899fe33f845a42bffecd1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.174996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006111/publication.md
observed fdc13138aeb6a1d823f685e48b940fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.160802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006111/publication.txt
observed 661e5da1f4c363c098970912939e68c1...
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.