OpenTechnical

OT-2026-000103028

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000103028) never changes.

Identity and time

Publication numberOT-2026-000103028 · never reused
Internal UUID01a0aea4-be3d-7b2a-b959-2dc05569dece · 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-2026-000103028
StatusPUBLIC

Content hashes

Canonical text6dcc6a9df3fd70323d5232bfe1cba4df23dda4990a7dee23fe1c0eb0faa13a29
Markdownd33bde571dcdd808679bb1965774331dd7828fcd7020f61ba21059c3f8de205d
PDF
Publication page223c90f9e5510029241a60c4ef70a25a5c59b0e02e437c51276b81b9a2887696
Manifest5993ee4fbc1fa583453444d7fac1de2046f604f140bf96db901e63df1be3e5af

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
Signature3dtbmVSYeb9LpkWdnWIug2iNc8qQUdSTdGB2+msVMdVMEWDWpZoAt+N6vYVU6DrdXg/k0QDyh0l/cJq86wAVAg==
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

2026-09-17T09:23:08.922371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103028
observed 223c90f9e5510029241a60c4ef70a25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.904575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103028/manifest.json
observed 5993ee4fbc1fa583453444d7fac1de20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.886363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103028/publication.md
observed d33bde571dcdd808679bb1965774331d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.868503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103028/publication.txt
observed 6dcc6a9df3fd70323d5232bfe1cba4df...
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.