OpenTechnical

OT-2026-000041987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000041987) never changes.

Identity and time

Publication numberOT-2026-000041987 · never reused
Internal UUID01a0ae79-e8a7-757a-803c-380e6d66f5ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041987
StatusPUBLIC

Content hashes

Canonical text689c39d442f5089afbc8bbdc3bce270699385551e25034e657cde8e5fa7a72b7
Markdown9ca1821193300d91936efd0ca6f47cad671139ce949f781f1cf5f8ffa6329c68
PDF
Publication pagef6619c7adb2f7ecb82a8f98273590f3fe90b24180550007d386aca935825bd15
Manifest030c55e43c8d997b104d79093dae1f91a709db742845d678e4fd8c8cc33a5d44

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
SignatureLvhI8JXzhVSRUrQLgrB5RnPMKMTc+XC5e71xw4xTbKE56XKNiY/vCsoEK7eGDjsSDxkTSSXAr/cy1/BA/H9GCg==
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

2026-09-17T11:16:52.954205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041987
observed f6619c7adb2f7ecb82a8f98273590f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.938207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041987/manifest.json
observed 030c55e43c8d997b104d79093dae1f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.922424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041987/publication.md
observed 9ca1821193300d91936efd0ca6f47cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.906445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041987/publication.txt
observed 689c39d442f5089afbc8bbdc3bce2706...
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.