OpenTechnical

OT-2026-000006306

Publication integrity record

Vacuum cup gripper, two stage ejector, vented after set down, polyurethane cups, flat form

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-2026-000006306) never changes.

Identity and time

Publication numberOT-2026-000006306 · never reused
Internal UUID01a0a956-455f-711a-aca1-914f87f90a72 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:58.497430Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006306
StatusPUBLIC

Content hashes

Canonical text1ef22d9cda079ad5156d5e56e7c21965b354359216d2099a750be3fccb221fac
Markdown98755433024f4b61bf3567e0c56c89d2d862f15fb40f5f94578cb9fe47572371
PDF
Publication paged35155ffbdafc2d90552a989010ff68e9e00a338f54fbe5b108e38079456e857
Manifest916a601c4e3d2b920d4ac8935b95d91b9e34816fb249c455ef343fac34d71ca4

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
Signature2/P82x5PU79+q8pvq1CmS0SjmLmeGkR+kW59fQ1KedYiKVjGqSvVCCgGefA8hJvEE9MIAIgyGlp8VByPDYcTCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:02.945046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006306
observed d35155ffbdafc2d90552a989010ff68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:02.920793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006306/manifest.json
observed 916a601c4e3d2b920d4ac8935b95d91b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:02.906868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006306/publication.md
observed 98755433024f4b61bf3567e0c56c89d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:02.891076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006306/publication.txt
observed 1ef22d9cda079ad5156d5e56e7c21965...
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.