OpenTechnical

OT-2026-000103423

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pulsed blow-off 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-2026-000103423) never changes.

Identity and time

Publication numberOT-2026-000103423 · never reused
Internal UUID01a0aea4-e460-705c-8761-149bd100a28b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103423
StatusPUBLIC

Content hashes

Canonical textfce02fa61fee73376fb2fd14ca6f5984a7c90603c2fe4faf828825af98d2750e
Markdownb091e1cebb0dce893deb8f6b9e1dbc3e7d408726ecd0180a086b7afeaafcca0c
PDF
Publication page7cb5dea16e8e124ee97a6dc6c6eb89ac72513399508c56adc962f91599dc15ee
Manifest61fad7532adb93c56def9144ed0c78975420785b6311a13484f272e541e64f97

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
SignatureI+EGjQgHnR73ZUtpiEmxz8/CLqgRMC17jNuP0Gk1lpUEvwOWb6UaKJvOd74K6c6bgqFW3yIn421YPq0ZtgJmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:10.333195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103423
observed 7cb5dea16e8e124ee97a6dc6c6eb89ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.314764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103423/manifest.json
observed 61fad7532adb93c56def9144ed0c7897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.296142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103423/publication.md
observed b091e1cebb0dce893deb8f6b9e1dbc3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.279660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103423/publication.txt
observed fce02fa61fee73376fb2fd14ca6f5984...
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.