OpenTechnical

OT-2026-000005046

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three outlet manifold, two stage ejector, pressure verified

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-2026-000005046) never changes.

Identity and time

Publication numberOT-2026-000005046 · never reused
Internal UUID01a0a92c-201b-7f81-9c6a-1d1814684c26 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:56.446127Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005046
StatusPUBLIC

Content hashes

Canonical text3837e1043d3259b9776647f923e47fb1eae16435df85424cc391d075d63a5591
Markdown1ea4f4e6a31e1a2e5e5a3d4dcbd95eb3e1653c36609bc699ea034bd613935783
PDF
Publication pagec5b347dc90fbf070ee338592d12f050dad941adb7da8a1cbf13af65bff2215b6
Manifest41c336b31ed105ac2fac42749ccfbcbf3662bc7bfa8b5f3188497a575a62a639

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
SignatureOPMoOr1bYG3oXBFY66zqY9+oeS9LDypi2a5zWGVR/cBAAvuX2ySlj4P/ctQRV1mIv2BEHiviI4Pay/VuQITWDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:21.406964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005046
observed c5b347dc90fbf070ee338592d12f050d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.393313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005046/manifest.json
observed 41c336b31ed105ac2fac42749ccfbcbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.379713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005046/publication.md
observed 1ea4f4e6a31e1a2e5e5a3d4dcbd95eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.241135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005046/publication.txt
observed 3837e1043d3259b9776647f923e47fb1...
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.