OpenTechnical

OT-2026-000018124

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000018124) never changes.

Identity and time

Publication numberOT-2026-000018124 · never reused
Internal UUID01a0ae6e-b487-7403-bb36-da0062f3523c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018124
StatusPUBLIC

Content hashes

Canonical textf6e09de40187b528457f91eefaf571028c3e3dbe854ae86916638c6bbc69e821
Markdown061b775c5c6369091b6b9ad1525046bea00a07d049f97265d87554a055832750
PDF
Publication pagecc7be10be6ed2d84bf64be084c5a7a5fcb7ca5efe3d50bd2c357cefa1d5931f3
Manifestaf3ef425e020d4485bbc19f293d6bbc3dd8c5030943731ae9c6ab99b958b27b6

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
SignatureKNZN6tG8Rk7FsTsL+mERPArhHT0C7XTe9/KiyvKohGQnfBLzLlBB/pFih2H8VxVeDLDveTtJ+CTHcmtSe2Z2Bg==
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

2026-09-17T11:59:49.105604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018124
observed cc7be10be6ed2d84bf64be084c5a7a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.088449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018124/manifest.json
observed af3ef425e020d4485bbc19f293d6bbc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.070593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018124/publication.md
observed 061b775c5c6369091b6b9ad1525046be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.050341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018124/publication.txt
observed f6e09de40187b528457f91eefaf57102...
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.