OpenTechnical

OT-2026-000068336

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068336) never changes.

Identity and time

Publication numberOT-2026-000068336 · never reused
Internal UUID01a0ae90-2480-7ca7-ae8d-2e151fa4db32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068336
StatusPUBLIC

Content hashes

Canonical texta414f230f3389e1332b4c292b107d7f27a0ce2edf24f17b8c17412ad7a25d1c1
Markdownf246be6c9d3f50c420654c89f0f9b0975bb4366584534c9272a153e2bc4c758d
PDF
Publication page212e720cf0d5cfd71d2f96760b0ead82114dd4e19c9c9f7c03ef136bc04dc3c8
Manifestca5cf959c45e760cfd53ec7f6264bed4421cf3cdcfe4809999905de0543355f4

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
SignatureiaZTP0jVqaQj7jPDcld6ydCsIMqZQJApqROAJJ9zwxGY5/eFv90h2puN9+tA+etPrIZUIFmdjVfgILPSDR29CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:22.723054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068336
observed 212e720cf0d5cfd71d2f96760b0ead82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.706148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068336/manifest.json
observed ca5cf959c45e760cfd53ec7f6264bed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.688421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068336/publication.md
observed f246be6c9d3f50c420654c89f0f9b097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.671783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068336/publication.txt
observed a414f230f3389e1332b4c292b107d7f2...
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.