OpenTechnical

OT-2026-000041304

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000041304) never changes.

Identity and time

Publication numberOT-2026-000041304 · never reused
Internal UUID01a0ae79-b144-7869-a17d-47591110e41a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041304
StatusPUBLIC

Content hashes

Canonical textebbd45a9745e5f6ca08d97b7fd16bbe51e498bdd1e7e116d0f085639674eaaff
Markdown02167280a507bcad6ac1d713c4580c6271ae57d4b32de3cc276d66c96e32c6fc
PDF
Publication page66d4f03d1b1bddb43f1245de900930b9bfce0c3f19a9652bcdcfb3603b75ac2a
Manifestd667e5749f795abf13d22f28ba024716b9a31a34a03501a5b2fd68bf8fdd04f0

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
SignatureExo6Z4SboBVTRcHEBeCFi5rs9rpVqDeEKGj60dMgJ3zck5IK7OYbsTHbIVmmN+1yrmXUD53xVuU4aysNW7zNBg==
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

2026-09-17T11:17:17.282433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041304
observed 66d4f03d1b1bddb43f1245de900930b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.264468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041304/manifest.json
observed d667e5749f795abf13d22f28ba024716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.241801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041304/publication.md
observed 02167280a507bcad6ac1d713c4580c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.223531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041304/publication.txt
observed ebbd45a9745e5f6ca08d97b7fd16bbe5...
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.