OpenTechnical

OT-2026-000083418

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083418) never changes.

Identity and time

Publication numberOT-2026-000083418 · never reused
Internal UUID01a0ae97-c964-79e2-853b-b437370b68e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083418
StatusPUBLIC

Content hashes

Canonical text7c2cb0f5e91ca721d583e1fd29718bc47e5cf367dbafd1c9470897bbe743ad36
Markdownec955724cded117f43e7a9c1e1cecbcc6c7db8d74f58c14d2cf9e5b34f538089
PDF
Publication page3abef7d845d0ae880342120a25ac9095bc3d177b7a978c225d9dc1e8efade54e
Manifestbb7dcc809beaf34c6462641ec65fef776448afb33ca50b8d294a99a42f5f9489

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
Signaturez4NN/gzKfGi2FhsngQKPjV7fvOVGNMrtsm+Ls1phztfKY8M06JSHnB/b0GtdPFMWSrStSdaRFYIjbESf0Q1fDw==
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

2026-09-17T09:57:49.983613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083418
observed 3abef7d845d0ae880342120a25ac9095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.894189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083418/manifest.json
observed bb7dcc809beaf34c6462641ec65fef77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.878206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083418/publication.md
observed ec955724cded117f43e7a9c1e1cecbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.861293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083418/publication.txt
observed 7c2cb0f5e91ca721d583e1fd29718bc4...
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.