OpenTechnical

OT-2026-000011593

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000011593) never changes.

Identity and time

Publication numberOT-2026-000011593 · never reused
Internal UUID01a0ae6c-8900-7434-a070-48a89ecc7f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011593
StatusPUBLIC

Content hashes

Canonical textbf05700ca8e4e2d8e1e3b1ee75170c419d797bdbcb440d7617fd56c0d7029e76
Markdown0338a73e0381ff031ac1a33da9106ed803242807309a9bf486251af4571a43c9
PDF
Publication page8f2e3e8631a10741f2607f9a2c21f916306057db3b9553341b30f2608c728613
Manifestc668582f30132a3eef574a9699e47a3cec41a1223c3b3d05b842d74d4a57c9b8

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
Signatureia/zaj4ENyadav7b3d0QCcfeVN/YxssZvU9ahIXXFBwdVzsasiYLqmV2B0Vxw7dLw6rZSpg54TBUCs9wgJF/AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:29.831812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011593
observed 8f2e3e8631a10741f2607f9a2c21f916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.810459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011593/manifest.json
observed c668582f30132a3eef574a9699e47a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.789746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011593/publication.md
observed 0338a73e0381ff031ac1a33da9106ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.770400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011593/publication.txt
observed bf05700ca8e4e2d8e1e3b1ee75170c41...
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.