OpenTechnical

OT-2026-000074743

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000074743) never changes.

Identity and time

Publication numberOT-2026-000074743 · never reused
Internal UUID01a0ae93-ac2b-79b2-9dce-eacfabde44c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074743
StatusPUBLIC

Content hashes

Canonical text1e17b7de43f529e6b87765eb92ceb3592412c7dabefe8d7f42868f827a81ac36
Markdownfbd283813b1c28dd64572a6b5acaa8c149b2321bedfb6383782a1c2394e16522
PDF
Publication page2cf332982c5d07e3ce410eab1a82d8494807f7ee35ab0aa2e5134db9ff1cc17c
Manifest3ec3db3eb9c241b5d80dc646607bf274678426ac47b826c207b1a6c268fe37e3

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
SignaturerMCP9LW8yuMsKWNG4Okcruo0LIOmMcupJsT7aHoaWFVp4AmNSL5Dp3cQdfxcYZYL1V3GBZ8EfyN6MbRccja2Cg==
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

2026-09-17T10:18:25.615025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074743
observed 2cf332982c5d07e3ce410eab1a82d849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.815708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074743/manifest.json
observed 3ec3db3eb9c241b5d80dc646607bf274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.796802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074743/publication.md
observed fbd283813b1c28dd64572a6b5acaa8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.778598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074743/publication.txt
observed 1e17b7de43f529e6b87765eb92ceb359...
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.