OpenTechnical

OT-2026-000103992

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000103992) never changes.

Identity and time

Publication numberOT-2026-000103992 · never reused
Internal UUID01a0aea5-15e8-706c-8404-81bbab027cca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103992
StatusPUBLIC

Content hashes

Canonical textf5b65c971bfaad46d58ccaea6982bddf9ae6de8e7a95154b773a7ee33c735d75
Markdownd551faa1b27eae4b99d6b791d31fbfaf31d145852d2ccfa8bdba03257e7fdbf3
PDF
Publication page5737845a0036e8a8e8fa1f9f66505918cd7901742c6b7b68634620f623b11d8d
Manifeste02059319869207b6329535f2a1bb7fb275df89e2eebe1c978107475ab1e237d

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
SignatureFaEJi+fOoOySqLQDiYz65jwJJqhshKpa8M8IfAb106AJYcfAfQ7MXjsEP6XvHivSvbTNRqSzciIBvuA4kr2jCw==
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

2026-09-17T09:21:59.920967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103992
observed 5737845a0036e8a8e8fa1f9f66505918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.903344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103992/manifest.json
observed e02059319869207b6329535f2a1bb7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.886672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103992/publication.md
observed d551faa1b27eae4b99d6b791d31fbfaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.871680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103992/publication.txt
observed f5b65c971bfaad46d58ccaea6982bddf...
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.