OpenTechnical

OT-2026-000104084

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000104084) never changes.

Identity and time

Publication numberOT-2026-000104084 · never reused
Internal UUID01a0aea5-341f-71db-9176-200da64350e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104084
StatusPUBLIC

Content hashes

Canonical text18dc06f4f1d18896808add35b9c9382e0d3ac72d303acb64d920ac13114f8810
Markdownf801bef371cf2deb72ea0f27d2538fb3094ea0c64ea5c3131e6461cb24fcc71f
PDF
Publication paged7b59cca445b6fb1c59a26ac088f1d821466fcfcbc448531053b346f8c5fc192
Manifest557e31650f85efcebc6e1c9ea5d7d6f42859422cb239ad3f649e8de61b0ff905

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
Signature15GL51t684+LNqHlOKEJHX51ywmpkZnYOb06QuvNPMitivWzitw8PBsURqyuTT1E7CAGGE+RPEpX9DOGbZ5MDA==
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

2026-09-17T09:20:09.163358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104084
observed d7b59cca445b6fb1c59a26ac088f1d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.145345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104084/manifest.json
observed 557e31650f85efcebc6e1c9ea5d7d6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.127960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104084/publication.md
observed f801bef371cf2deb72ea0f27d2538fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.111508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104084/publication.txt
observed 18dc06f4f1d18896808add35b9c9382e...
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.