OpenTechnical

OT-2026-000074541

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000074541) never changes.

Identity and time

Publication numberOT-2026-000074541 · never reused
Internal UUID01a0ae93-717b-7d2f-a652-d6937eaeeb3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074541
StatusPUBLIC

Content hashes

Canonical text4ebe1206deea3f79446126a29e5c72a11c5af46b51273e15c10772ab3cf49d1c
Markdown4d1c28fe07bff41a7825b3cf210305f4a248b05822340be6df30ecc397916a3d
PDF
Publication page67d5bcb1b5fe161f8e67c43370637b3bdcf473df53c63a9ae8ece31a4d7badd2
Manifestd039240707b17411378dc7e0d4f83890fcd7c49561eeeed361461e660d5c6372

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
SignatureLejEhNOKEQjfmfIl2RTFuOe1Ki9tHj4IHsu2ALkfqAAuYN5cFbNdikMLY0L7aqzmOwJFSNUSfukKyi0RfkoyDw==
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

2026-09-17T10:19:31.441135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074541
observed 67d5bcb1b5fe161f8e67c43370637b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.424019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074541/manifest.json
observed d039240707b17411378dc7e0d4f83890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.405050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074541/publication.md
observed 4d1c28fe07bff41a7825b3cf210305f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.385521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074541/publication.txt
observed 4ebe1206deea3f79446126a29e5c72a1...
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.