OpenTechnical

OT-2026-000090114

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090114) never changes.

Identity and time

Publication numberOT-2026-000090114 · never reused
Internal UUID01a0ae9c-428f-7d87-96b1-6c668721871c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090114
StatusPUBLIC

Content hashes

Canonical textc82b00d7c005507eb4ef7321e57832abb5d564a71e64ee41d7f66251d9a43c7c
Markdown4b22eb8484a645cd7fba77c47bfa03cd6a1c13a5bd2b80572a33e9bcf414be58
PDF
Publication page820f99e9f560dbb8bb8790e8d435836b02993fdd6ef984a240986e0f9d359f70
Manifestc7004b80588a7d85b51ef851eddfc41863d1f4bef4ffe1091fdb864410dd8c86

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
SignatureegNanV528/H+RlyxLMgJ3rkC/cTAuVOIhvfFCv+bCYXrIV7/0TolyUupHNM9uGxluiRsHOlncU8x4m52EjTCBw==
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

2026-09-17T09:45:32.491504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090114
observed 820f99e9f560dbb8bb8790e8d435836b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.475008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090114/manifest.json
observed c7004b80588a7d85b51ef851eddfc418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.455146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090114/publication.md
observed 4b22eb8484a645cd7fba77c47bfa03cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.436842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090114/publication.txt
observed c82b00d7c005507eb4ef7321e57832ab...
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.