OpenTechnical

OT-2026-000006945

Publication integrity record

Three finger mechanical gripper, pump fed, contact triggered on the face, pneumatic drive

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-2026-000006945) never changes.

Identity and time

Publication numberOT-2026-000006945 · never reused
Internal UUID01a0a96d-343c-7380-af87-7d0f28240732 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:01.439155Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006945
StatusPUBLIC

Content hashes

Canonical text18411d0d86a19da05b8be99062aa048d0ff3cf214ede48fb07210f97d6fa7663
Markdown16e7cdfb85bff31bde800f42fa40150d6447a730521da207f51bcf90291c115b
PDF
Publication paged2d96a27bcafb3d29d35acaa226726314805ad1764937016e67d400b0180929b
Manifest33680766ad7ae909217f89d0b52d88a55e4e8b245b394c312872d831b958385b

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
SignatureSJ7QHNvVmr5gDNndvEHWxdclIkX6IkWIsJCx/uzxNGlx4csB9YlAxvCwNeTSu3h2KZiLiSJxI4dqrAkDmAdjCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:19.202243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006945
observed d2d96a27bcafb3d29d35acaa22672631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.190157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006945/manifest.json
observed 33680766ad7ae909217f89d0b52d88a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.177243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006945/publication.md
observed 16e7cdfb85bff31bde800f42fa40150d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.162481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006945/publication.txt
observed 18411d0d86a19da05b8be99062aa048d...
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.