OpenTechnical

OT-2026-000100562

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000100562) never changes.

Identity and time

Publication numberOT-2026-000100562 · never reused
Internal UUID01a0aea3-66f1-79b1-a64f-08b524066e51 · 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-2026-000100562
StatusPUBLIC

Content hashes

Canonical textbced0068ca98470b5fa1c58f5411dce90d41df9b34728b55c83c752ccfae2d0b
Markdowndd3bc8f9ef0cabe88326966c68bff12058b3ad979d5becfa7532a8c83b5f86b6
PDF
Publication page2abafbab8c0d1a973394e3491df0b4cf431ab2af7894267145892f8e4e2e1df8
Manifestd005444120cfa0c32e167683da328a6cb978bede1ef1f19920ac34268981bd84

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
SignaturepGfCxXG55MW00C+oYFZx6QYA0hTJDOgnUIxqJs+V3b9ci6bjcebCRq3tYpjmaeHyhloAlK+1eLzCsdd580UoBg==
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

2026-09-17T09:27:20.312430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100562
observed 2abafbab8c0d1a973394e3491df0b4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.292802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100562/manifest.json
observed d005444120cfa0c32e167683da328a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.274414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100562/publication.md
observed dd3bc8f9ef0cabe88326966c68bff120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.255534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100562/publication.txt
observed bced0068ca98470b5fa1c58f5411dce9...
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.