OpenTechnical

OT-2026-000050951

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050951) never changes.

Identity and time

Publication numberOT-2026-000050951 · never reused
Internal UUID01a0ae82-c7b4-7bdf-8784-3798729eb49a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050951
StatusPUBLIC

Content hashes

Canonical textb9c1addb2155fa176415b2fb6fe1f6332982a7a42c1c1c054c3aae5107218f92
Markdown7495bda4bdf57cdfffba8689f29aebd64cb88ef91ab1f97e98ca21b3033d2021
PDF
Publication page085c8c20c60614dddcdad6837450f0217697c7dd05651ff278a7b496133e06de
Manifest97e63af7407b8f34dbd6de11aa3faf23015d2dfd7ed94a8b65cac66998fc28cc

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
SignaturepWNIKAXgSHmy02VnyyXMNgB+Dv2yUfYUs0udDhOeeJDBCzY8ptYwnB4mH6/5RJloeGqp79ScHbizCKObl3FlBg==
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

2026-09-17T11:00:43.337523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050951
observed 085c8c20c60614dddcdad6837450f021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.335815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050951
observed 085c8c20c60614dddcdad6837450f021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.317800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050951/manifest.json
observed 97e63af7407b8f34dbd6de11aa3faf23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.316614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050951/manifest.json
observed 97e63af7407b8f34dbd6de11aa3faf23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.297913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050951/publication.md
observed 7495bda4bdf57cdfffba8689f29aebd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.297667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050951/publication.md
observed 7495bda4bdf57cdfffba8689f29aebd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.278997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050951/publication.txt
observed b9c1addb2155fa176415b2fb6fe1f633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.278165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050951/publication.txt
observed b9c1addb2155fa176415b2fb6fe1f633...
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.