OpenTechnical

OT-2026-000024030

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000024030) never changes.

Identity and time

Publication numberOT-2026-000024030 · never reused
Internal UUID01a0ae70-aed7-73b7-88f7-e0557d1c3f4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024030
StatusPUBLIC

Content hashes

Canonical textb28f5cc2ce8aa0f876a483aeae35cd487d08ab4eaa66f59c1c7a6c8929a7b5f3
Markdown3247b8e4d99e1fe528fc4d8e456b50dc2fbd4392df29815ff8d1f0b54ae5ae93
PDF
Publication page31577063db3153c2894a9f2f486abad7d87118b5c679193087c9c1e9ecfe638c
Manifest6364a3785df71032849bea514a0f370a472da0941969b8b78a04ed8b82dd4b17

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
SignaturehILrFKskkrNPmCVZEvy3pN4+vEGg+0kbkGpfi5ZX71DFG8SLUwZ3OEtPBDt2G1XtT4eiwEWt4W+sAd7oePyuAg==
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

2026-09-17T11:50:48.930315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024030
observed 31577063db3153c2894a9f2f486abad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.912615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024030/manifest.json
observed 6364a3785df71032849bea514a0f370a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.894943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024030/publication.md
observed 3247b8e4d99e1fe528fc4d8e456b50dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.877899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024030/publication.txt
observed b28f5cc2ce8aa0f876a483aeae35cd48...
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.