OpenTechnical

OT-2026-000023112

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000023112) never changes.

Identity and time

Publication numberOT-2026-000023112 · never reused
Internal UUID01a0ae70-7266-7c6c-9e05-67b595df4a68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023112
StatusPUBLIC

Content hashes

Canonical text7ef2a8795a420b8edef14ea4867b84c8406393d1832948f940db64daf8852377
Markdown8884c3ef5e89540e59e8f9667184d2115889ee307a8f88d8e1fca78454bcf774
PDF
Publication page8adb894a9c52a4dc544dc3debe709e8484203b7ca5df87c59c4c18de96efbf64
Manifest06227e6a5f6a35c689be29aa296fec4d7212d8b1247ba1388fe7f215a42a960a

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
SignatureuSq9mokijbv5Ljbm2Q8+lnUv9ZCQ6QJ8wX9AfQYS7QV10/mTAm4iWsksRmuui26M3shsTxlVqya1picHy3yyDQ==
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

2026-09-17T11:51:02.283391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023112
observed 8adb894a9c52a4dc544dc3debe709e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.268355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023112/manifest.json
observed 06227e6a5f6a35c689be29aa296fec4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.250396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023112/publication.md
observed 8884c3ef5e89540e59e8f9667184d211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.232447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023112/publication.txt
observed 7ef2a8795a420b8edef14ea4867b84c8...
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.