OpenTechnical

OT-2026-000047467

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000047467) never changes.

Identity and time

Publication numberOT-2026-000047467 · never reused
Internal UUID01a0ae7f-3e58-7bc1-b397-4c7866bff2e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047467
StatusPUBLIC

Content hashes

Canonical text99fc86ee6a0372b8ee0be89af26103361d91d61edd9e2ba1f7565ad6b5db54fb
Markdown669d08c1929d52349563716cd1121ebd031a8aef9bf6c5d815f567ec7b2f5d48
PDF
Publication page41ab9530ed0938f1de868a6af723bf9112689c3e58aeb8dae46aeacc1ffb916e
Manifestc4d600af602c9642a494c9abb9b197b3df3a0a83c46177ea5bc4bc93749aeb24

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
Signature79FC/wJVSzeAalDJQfDBmK6qTXhYXQnYGXUc5xPTpcitMAxHMVi2zuTPqekYhFlRU2DTdYcJnUg5pL/IL2NvBg==
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

2026-09-17T11:06:30.086464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047467
observed 41ab9530ed0938f1de868a6af723bf91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.067453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047467/manifest.json
observed c4d600af602c9642a494c9abb9b197b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.047798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047467/publication.md
observed 669d08c1929d52349563716cd1121ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.027968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047467/publication.txt
observed 99fc86ee6a0372b8ee0be89af2610336...
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.