OpenTechnical

OT-2026-000018998

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000018998) never changes.

Identity and time

Publication numberOT-2026-000018998 · never reused
Internal UUID01a0ae6e-d523-7cb4-97dd-dd933ea87930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018998
StatusPUBLIC

Content hashes

Canonical text4ccd659dbb55cb5c19ac06b1d0f7759f4268f3ba0670477633e4d8946f76c25b
Markdownccac702da9a128911e447697ce6c503bf959a1864cddb7deaaef132c65307720
PDF
Publication pageae11633b31ec361cbff76c28486a7b06c91c139dce7de71046b962bb9a2c528d
Manifest1bd6ff1f233eb95dcdefe80aefe3fcc2cac700957c4001a97ca2d3b0eae190c1

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
SignatureWc08csYSgbRcUPF5TUb4Hj0dmNXjX3/H+U7uDLC60lOherG4WSo0Ed8r1yuLte3LL6J+u6qLIY8LDOfmBOwOBg==
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

2026-09-17T11:59:40.943155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018998
observed ae11633b31ec361cbff76c28486a7b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:40.924259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018998/manifest.json
observed 1bd6ff1f233eb95dcdefe80aefe3fcc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:40.903940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018998/publication.md
observed ccac702da9a128911e447697ce6c503b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:40.882831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018998/publication.txt
observed 4ccd659dbb55cb5c19ac06b1d0f7759f...
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.