OpenTechnical

OT-2026-000019086

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000019086) never changes.

Identity and time

Publication numberOT-2026-000019086 · never reused
Internal UUID01a0ae6e-d523-7792-92de-8eb97c26efbe · 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-2026-000019086
StatusPUBLIC

Content hashes

Canonical text3f16b83f3f735432bf811ce6a89884929f9e14967d09148cd57c1a8f3b13f238
Markdown3b6b0850ae0154983925633841cef0138fe487e2b3677942f5eda0e14a87726c
PDF
Publication page25c67c1a82a0504084396f28cb6eb8f465b6c1f8d40f651fe7c89bd08beeba73
Manifest9d13cca9b650a0ac496508b190e47c7324acdbe4f6b1ba696ff072bef7527736

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
SignatureiF1TjpjSC6yRyyuDob23MZlkQSzWe71XvrEAVWGnjtmQoe7iOCgLo/TMO92MvdcLwDNdZxIN9m3rh4RaOD3ACg==
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

2026-09-17T11:59:47.508025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019086
observed 25c67c1a82a0504084396f28cb6eb8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.489311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019086/manifest.json
observed 9d13cca9b650a0ac496508b190e47c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.469389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019086/publication.md
observed 3b6b0850ae0154983925633841cef013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.450196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019086/publication.txt
observed 3f16b83f3f735432bf811ce6a8988492...
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.