OpenTechnical

OT-2026-000091032

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000091032) never changes.

Identity and time

Publication numberOT-2026-000091032 · never reused
Internal UUID01a0ae9c-c012-78b0-8a4d-29d988f3cfff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091032
StatusPUBLIC

Content hashes

Canonical text4d8c283ca94e1ad93028e4860534f0eed69c7c6c319a87ffa52c84c384f6563d
Markdowne9a6b1bb104e49b6361c47ee8e48939c3f83754ee00786990b182bd3775f1b46
PDF
Publication pagea22c8eeb4e82255f78ffa07c82d021d3696829edb83628692f13166a53358323
Manifest12cb18b3658fad185f270c8d2451798921a351bf912413fe59c7977a39f7e274

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
Signaturezg5xiRbnHCXXUxih3P+j782DPv5dZHnfP3nyP5NA84yQoQpDJmyeW+DZfPA5bjR766/mNQOKjI2XNDzi9tszBw==
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

2026-09-17T09:44:16.530248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091032
observed a22c8eeb4e82255f78ffa07c82d021d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.513442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091032/manifest.json
observed 12cb18b3658fad185f270c8d24517989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.497161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091032/publication.md
observed e9a6b1bb104e49b6361c47ee8e48939c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.479581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091032/publication.txt
observed 4d8c283ca94e1ad93028e4860534f0ee...
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.