OpenTechnical

OT-2026-000048949

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000048949) never changes.

Identity and time

Publication numberOT-2026-000048949 · never reused
Internal UUID01a0ae81-134c-7502-a29e-89cc0cf9fb38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048949
StatusPUBLIC

Content hashes

Canonical textf1d5561d9fed448ae712c9f37884542a03ac78438ddcb263ef324f2878b4f56e
Markdown48673b93c51b152c4d969cc263165465bedee2c724c4e7bcdb2b56c672a96927
PDF
Publication page7f783c9b9df49b713d2e7389a6a7b2bf07c2d867a9937f8320009f5bb3245a24
Manifest756dcaea33b4789fd569138cd4380d1b078a20d92e600f09cc3898488393423f

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
SignatureCg3VH7JY+qbIhTwIIKMrQVTVbhYiWLZfJ9oUougd8dOuL+7AVS+PMC27Twlq2imkbzvecjL1SLibNHqwBoLhAw==
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

2026-09-17T11:03:08.333140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048949
observed 7f783c9b9df49b713d2e7389a6a7b2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.316303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048949/manifest.json
observed 756dcaea33b4789fd569138cd4380d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.297339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048949/publication.md
observed 48673b93c51b152c4d969cc263165465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.272726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048949/publication.txt
observed f1d5561d9fed448ae712c9f37884542a...
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.