OpenTechnical

OT-2026-000030916

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000030916) never changes.

Identity and time

Publication numberOT-2026-000030916 · never reused
Internal UUID01a0ae74-3fb6-7d1a-92d1-3d6a1a377814 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030916
StatusPUBLIC

Content hashes

Canonical textf4cd7a135ea95ae4390d3fc264ecbff533e0692fa51849a05c4d0ea1eee83adc
Markdown7be88f67dc97461583ec6022fbbd5bdc747c15ac92631c1166e97bb365528289
PDF
Publication page9964625c469acc22848dce8ef80a5b2e43d43d2a0151aee79988af483e587141
Manifest2318eef8febdb3c8b0dc4db3b07a01ce2cb226b0b9f668c371f98950d2cb7c82

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
SignaturepuNgap5Bo4NCUUbzJIQMtSwP7wqlYhxffb9bDqUbOPTyDQzFd9PdiA2vwAVWIJYqsg5Yq0tJcqXHKIWrqqskCA==
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

2026-09-17T11:36:54.497731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030916
observed 9964625c469acc22848dce8ef80a5b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.481989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030916/manifest.json
observed 2318eef8febdb3c8b0dc4db3b07a01ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.465220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030916/publication.md
observed 7be88f67dc97461583ec6022fbbd5bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:54.447719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030916/publication.txt
observed f4cd7a135ea95ae4390d3fc264ecbff5...
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.