OpenTechnical

OT-2026-000102983

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000102983) never changes.

Identity and time

Publication numberOT-2026-000102983 · never reused
Internal UUID01a0aea4-be3d-7a34-b5b1-f2e84edf7bfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102983
StatusPUBLIC

Content hashes

Canonical text575e1d7ace8db3384fa26a388bb5089bbe878da32ad1d32c93e90ba8bdd673fd
Markdown99d2295a16103cb67436d30cb91e59dc3d1db5809205d87f4a4105c2d7296255
PDF
Publication pagec56a1adbcdd2bfe37e6bb0a50035112ae34defdbbb12aaf3c48b845cfd299d3e
Manifest9cdb795b139fba3ab568645d5e1d3127f4cc447d8939c2bd987fa167be926b42

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
SignatureaZDjtk8KFY+h3qLGTPc39gSparCWjMRFMk3uU2E8/MhounWgyRQqUtMwmbjSbh+N2oFXqeWlB7WNC0nxxWMZBw==
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

2026-09-17T09:23:05.711392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102983
observed c56a1adbcdd2bfe37e6bb0a50035112a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.693561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102983/manifest.json
observed 9cdb795b139fba3ab568645d5e1d3127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.675498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102983/publication.md
observed 99d2295a16103cb67436d30cb91e59dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.658212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102983/publication.txt
observed 575e1d7ace8db3384fa26a388bb5089b...
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.