OpenTechnical

OT-2026-000075378

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075378) never changes.

Identity and time

Publication numberOT-2026-000075378 · never reused
Internal UUID01a0ae93-f201-77ac-a6de-9cd8c8e59367 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075378
StatusPUBLIC

Content hashes

Canonical text98f2fd6eb23a55f3dd77d06af51a3222331a5491d979f43b46bc9c3010b75ac8
Markdown7098e62e7cf5b56954ca1e4b6966e83dbf904a150f24cb70202ac235721b6378
PDF
Publication page928788f0ef7e88d5347b274bd7442d43b45567d00175510173af85f06fb211b7
Manifest2b72e1a0f1d4b9e604acae07a9f9946de1c4300e26caed4ae8bbbfb59dca0867

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
Signature0MfDvJUc2WJgRwd670CtzAAVJCK/Wm5bhD23gr2mgVnITW2da6Ciyv0Vjh28T3ocavZefBvg6RyZudxnWaBIAA==
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

2026-09-17T10:17:24.544511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075378
observed 928788f0ef7e88d5347b274bd7442d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.525784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075378/manifest.json
observed 2b72e1a0f1d4b9e604acae07a9f9946d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.506860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075378/publication.md
observed 7098e62e7cf5b56954ca1e4b6966e83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.489517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075378/publication.txt
observed 98f2fd6eb23a55f3dd77d06af51a3222...
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.