OpenTechnical

OT-2026-000083837

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before set-down

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-2026-000083837) never changes.

Identity and time

Publication numberOT-2026-000083837 · never reused
Internal UUID01a0ae98-0418-7c8b-823c-7392f0b58c79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083837
StatusPUBLIC

Content hashes

Canonical textb8bd72de2a6bb9c0b583f9d304d5fc2235ed37e5dd4acd09d9246d104fc56f80
Markdownb88c987c60ff292d0842c2d4b035132f7ae2e8de45395094990ab54428b20938
PDF
Publication pagee55d91cd5c6cd03e86fd4b3a01d66f44e7881f47ca6aa4bfc4609147e3a824d4
Manifest5360d4d2c9739197c70ca2d3e6663ea814205a5fe0dfb15fb6a9556e3415878d

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
SignaturekaVhtGa0lKkMXsJHtNh/JroC1lUCCp5cRDEUMV87UsMbB1OlIecF3/7bqZGY0RCgGHdpUoF/0ZUer+3DHIkjBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:06.800971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083837
observed e55d91cd5c6cd03e86fd4b3a01d66f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.776854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083837/manifest.json
observed 5360d4d2c9739197c70ca2d3e6663ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.757706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083837/publication.md
observed b88c987c60ff292d0842c2d4b035132f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.741514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083837/publication.txt
observed b8bd72de2a6bb9c0b583f9d304d5fc22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.668232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083837
observed e55d91cd5c6cd03e86fd4b3a01d66f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.652673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083837/manifest.json
observed 5360d4d2c9739197c70ca2d3e6663ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.634081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083837/publication.md
observed b88c987c60ff292d0842c2d4b035132f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.616163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083837/publication.txt
observed b8bd72de2a6bb9c0b583f9d304d5fc22...
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.