OpenTechnical

OT-2026-000083809

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000083809) never changes.

Identity and time

Publication numberOT-2026-000083809 · never reused
Internal UUID01a0ae98-0417-7c2f-b972-b8370f2cce38 · 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-2026-000083809
StatusPUBLIC

Content hashes

Canonical text5c552000a32171daa04123b2f79e716f431b5b6ce64ae1eb87d79a2627cdb26c
Markdown1798aa9c6d42851ab9b99618d3adb432e35fe3c7d0a036f391b0642f6cde0f4d
PDF
Publication page157d66e9a8df9c138dfeabac216e49bdc90d570b609b7b52accd3b9b01868918
Manifestd5f9ea7ec7a8277329f593187558721e79dcb1c24ff48521f1ccfaeff6547445

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
SignaturevGYszCfdzpbTZ3lyEhwqbYWD+EJTk/Grd/Z8KWrSYhH5ffLbGTXoVBo/gojmhssAT6iiVK4fUPuJwQiTAUG6CQ==
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

2026-09-17T10:00:03.629831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083809
observed 157d66e9a8df9c138dfeabac216e49bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.610080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083809/manifest.json
observed d5f9ea7ec7a8277329f593187558721e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.585845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083809/publication.md
observed 1798aa9c6d42851ab9b99618d3adb432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.553778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083809/publication.txt
observed 5c552000a32171daa04123b2f79e716f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.513608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083809
observed 157d66e9a8df9c138dfeabac216e49bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.497401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083809/manifest.json
observed d5f9ea7ec7a8277329f593187558721e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.479635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083809/publication.md
observed 1798aa9c6d42851ab9b99618d3adb432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.461004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083809/publication.txt
observed 5c552000a32171daa04123b2f79e716f...
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.