OpenTechnical

OT-2026-000098828

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000098828) never changes.

Identity and time

Publication numberOT-2026-000098828 · never reused
Internal UUID01a0aea2-42b0-7b40-b95e-1ff5f4aa4c7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098828
StatusPUBLIC

Content hashes

Canonical text897d1c95ed4e0849dcaa38d8370077a548335a4c2f303f695c787f65b4e42cf1
Markdownd8478136b0de1f14bc58e4bf22a86b846d47d8266b606d6694b6388866fbf253
PDF
Publication page4ed985a548346134c773fe0bcdd3ed3a7dbffefdf74c4b7509c8b5836b6ce37f
Manifest24205c407f47d2ac4d88112ca98fdca0037ce3ee2e3b0e5ac60e441d15377d45

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
SignaturevnEkufKCm3mETy7uodFM/xHsTSyK8D3m1qMLXb4n6rSUDTTsXx3hga6boOn0fcwK9j6TqQOGLqyHfpEcOEViDA==
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

2026-09-17T09:31:10.006106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098828
observed 4ed985a548346134c773fe0bcdd3ed3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:09.988828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098828/manifest.json
observed 24205c407f47d2ac4d88112ca98fdca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:09.970317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098828/publication.md
observed d8478136b0de1f14bc58e4bf22a86b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:09.951833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098828/publication.txt
observed 897d1c95ed4e0849dcaa38d8370077a5...
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.