OpenTechnical

OT-2026-000100587

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100587) never changes.

Identity and time

Publication numberOT-2026-000100587 · never reused
Internal UUID01a0aea3-66f2-7e19-9117-fc248f0e8600 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100587
StatusPUBLIC

Content hashes

Canonical text21f658a0374194955eede4cbafb04cbf3ccc4efe2a29863ff6296521a1fa092d
Markdownb1c5a4caa3ce69dfc4765541d2ed274e4f5bcc00ad879767ef8d8a427eeb32d0
PDF
Publication page69fcb68d4b75ad8b79e9e87886b5f697f22a618f349a79fed0779d38caa04998
Manifestd26a1d82dff39518023b60368826b576542fd46d640fcec7b4f82fb707feba3a

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
SignatureeYUPEK4CQm4vfrf6OYo4PhadEYGdmEqk6+Ue0e1FgbL1ZYGh4D5PUz2IciLFDAPLnLYttE17SvzNUvHNPa6RCg==
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

2026-09-17T09:27:22.365313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100587
observed 69fcb68d4b75ad8b79e9e87886b5f697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.349271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100587/manifest.json
observed d26a1d82dff39518023b60368826b576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.332773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100587/publication.md
observed b1c5a4caa3ce69dfc4765541d2ed274e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.315923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100587/publication.txt
observed 21f658a0374194955eede4cbafb04cbf...
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.