OpenTechnical

OT-2026-000019574

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000019574) never changes.

Identity and time

Publication numberOT-2026-000019574 · never reused
Internal UUID01a0ae6e-f394-7ed0-8fef-e8343cc39c91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019574
StatusPUBLIC

Content hashes

Canonical texte9b06a1bc54b746ca7f4d2b5d93c32dee1737064f07258c2bea7a6db62e38e8a
Markdown6da72ec4d3b0f2a7462732f4262f06120c5c29066dd5fc15721311850b8d0256
PDF
Publication page5833e351ee2d5c6b53c343caf2efdf74581c80257f564dd6c91d346826042899
Manifest1673b437a71ff439d8115d810c020078a27ce81dcf6a42962c5142b57e950519

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
SignaturexOhpSMTbrzGo3cw4uiZaVDCc2GnCaKzXNjQidGi+AChiP75iCt9IS7ITZvZIozpo+xzetdKJQf+nojyuJciMAQ==
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

2026-09-17T11:59:01.298248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019574
observed 5833e351ee2d5c6b53c343caf2efdf74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.280366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019574/manifest.json
observed 1673b437a71ff439d8115d810c020078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.263938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019574/publication.md
observed 6da72ec4d3b0f2a7462732f4262f0612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.246984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019574/publication.txt
observed e9b06a1bc54b746ca7f4d2b5d93c32de...
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.