OpenTechnical

OT-2026-000092616

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000092616) never changes.

Identity and time

Publication numberOT-2026-000092616 · never reused
Internal UUID01a0ae9d-b5fe-74a0-b7ae-c338b6b001f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092616
StatusPUBLIC

Content hashes

Canonical text0ba11d3add0f12317b9be4836a469de08c24014d18a6a9d07c5b583fc359a175
Markdown2fd8f6ea17017f0548573f5c48516b3c689a69e92e47f96514a5976ab7ccd768
PDF
Publication pagecd7222d2ac0a5a13413044d326bb443f8dde3717e5286220e033a7a27124d824
Manifest72115432651cfbaac4d0598c4454056cd95690fbb3d10b232d0ce7ddf596edc0

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
SignatureMfoBztLp78H17OaE2nciuV3nx42UnRVU/IwIIuTnlI3vAsWNR3eLuoIzrrcjxDKZJTSN7PAf1pLTfM7lzGEBAA==
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

2026-09-17T09:41:12.775219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092616
observed cd7222d2ac0a5a13413044d326bb443f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:12.757700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092616/manifest.json
observed 72115432651cfbaac4d0598c4454056c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:12.738716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092616/publication.md
observed 2fd8f6ea17017f0548573f5c48516b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:12.720719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092616/publication.txt
observed 0ba11d3add0f12317b9be4836a469de0...
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.