OpenTechnical

OT-2026-000100235

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100235) never changes.

Identity and time

Publication numberOT-2026-000100235 · never reused
Internal UUID01a0aea3-3053-7a51-a2da-78d86fdebd78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100235
StatusPUBLIC

Content hashes

Canonical text2c776e66ade4b4731be57a079bae6a08b35c78d6f1e95846ced40412b578aa68
Markdown7bd2af5e8d7f69bb4097265aefc49f1de4d296037aad68d300f7c8a2813b307c
PDF
Publication page5b09d0e2ab80846bb7fd86f37ca07697c39a6a9af1f43f5a80ea9f862f1e276e
Manifest3f259bfac93fc0a26149a3b9a9bd63832a090768e0e6d7ad6d23e7e4a78e509f

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
SignatureWX+M3wLONCu7uU3voX4GN3WHGCcB/e1XkRuhC7ys/G9omuTQiLD6A98AnLW/ReHfLyo/vRwWVk3O5/yp8gb7DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:01.953291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100235
observed 5b09d0e2ab80846bb7fd86f37ca07697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.935248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100235/manifest.json
observed 3f259bfac93fc0a26149a3b9a9bd6383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.918364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100235/publication.md
observed 7bd2af5e8d7f69bb4097265aefc49f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.898935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100235/publication.txt
observed 2c776e66ade4b4731be57a079bae6a08...
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.