OpenTechnical

OT-2026-000099197

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000099197) never changes.

Identity and time

Publication numberOT-2026-000099197 · never reused
Internal UUID01a0aea2-8288-7f09-b218-edea7a8b41bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099197
StatusPUBLIC

Content hashes

Canonical text227c630db50c3262840954b373036341f43d8dd45514fe965a65fbc8f07e380d
Markdowneedef1b620cccfc6de4cf6da3da907e53a84f5920994645e8abb33b8ebf5641e
PDF
Publication page1979ee1848a126a922f7192127f83881390a1845c39bccb200c7f15964ab8cdd
Manifest36cf3d18ed5cd6cfc929fe5b4fdc4033f7b74da95c043648405f006aff30fe83

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
SignatureiRWlEynnS+Aflv2vqsQGTEczbMcG3QGnNBlcgBPEVqaRJE/57VujQoEh0sgf6Ica8DwHA9i5QJBXp2v/XZxJCg==
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

2026-09-17T09:30:35.219822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099197
observed 1979ee1848a126a922f7192127f83881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.199651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099197/manifest.json
observed 36cf3d18ed5cd6cfc929fe5b4fdc4033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.183676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099197/publication.md
observed eedef1b620cccfc6de4cf6da3da907e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.165874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099197/publication.txt
observed 227c630db50c3262840954b373036341...
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.