OpenTechnical

OT-2026-000003560

Publication integrity record

Porous face vacuum gripper, per zone isolation, four outlet manifold, ejector fed, pressure verified

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-2026-000003560) never changes.

Identity and time

Publication numberOT-2026-000003560 · never reused
Internal UUID01a0a90a-61ac-7189-9f30-f16581f86d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:05.007447Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003560
StatusPUBLIC

Content hashes

Canonical text09123a740f91662ccfcbafb0ff77406877d8f9d2d4c7db5331ff334a99f0925d
Markdown89fa4c79307b3a144ca69d17c3edf002cb2d675115636a583b9edec917228ce7
PDF
Publication page252a94b2e8d029fc5b1127597863889228bb49ef21f365fe4e505b94dc779105
Manifest3a145ca9a9c240994f4b98a4de9896f41c40b1dd73b139b4632bce920e501932

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
Signatureomn25bdkIBuTWFRTtSQ754H3wFU93wYf4clw3dJU14H9iMpOtlngKs2gYVOQSOGZwrCaPzXOxlnr+GMhOH1lAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:50:30.935122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003560
observed 252a94b2e8d029fc5b11275978638892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.920913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003560/manifest.json
observed 3a145ca9a9c240994f4b98a4de9896f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.905469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003560/publication.md
observed 89fa4c79307b3a144ca69d17c3edf002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:30.724522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003560/publication.txt
observed 09123a740f91662ccfcbafb0ff774068...
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.