OpenTechnical

OT-2026-000047327

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000047327) never changes.

Identity and time

Publication numberOT-2026-000047327 · never reused
Internal UUID01a0ae7f-3e57-72c4-b3a9-0aa64c0d1967 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047327
StatusPUBLIC

Content hashes

Canonical text8aac7786b3d894cdeb0a7ba2f3a88124daa00cb1197281c76a5059b74ed24c5a
Markdown0e26551817e4f1560fa26c795fd06a9f15365eb077b00a579555671b4ac194f2
PDF
Publication page2f04c2851572286b8abb32c75d7e6231a5e673a4825fc143c8c4351524253303
Manifest564d209212ce05fbc4259174ee3e458be2c695646a719a8747111b5a84c27c91

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
SignatureMkgdGdNX8gKOL8DeFfNU5qMfpTSQCSc2+RrbeyzHF78HEmpkQ1ED8K80AnOt3qDs6QHok90dFg6FForA+VYCDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:18.885690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047327
observed 2f04c2851572286b8abb32c75d7e6231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.865952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047327/manifest.json
observed 564d209212ce05fbc4259174ee3e458b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.847780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047327/publication.md
observed 0e26551817e4f1560fa26c795fd06a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.829695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047327/publication.txt
observed 8aac7786b3d894cdeb0a7ba2f3a88124...
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.