OpenTechnical

OT-2026-000019897

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000019897) never changes.

Identity and time

Publication numberOT-2026-000019897 · never reused
Internal UUID01a0ae6f-1fb6-7c6e-961f-61ec2eb3f1c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019897
StatusPUBLIC

Content hashes

Canonical text9d1e73709ddc09a1eff0eacdd76a8182576cedbe6a87e31d6ad6674df575ac63
Markdown9744561e531e775dbbd45acac272d9c66f26cf150339f0a129c1317f49b917d3
PDF
Publication pagea4262ea547433b370a70b077f45328cb65fff783ff0c65640ca6c256966626dd
Manifest315004548273492acf207710f48cdb570e10b703c7179ef6d500bf80c54666df

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
SignatureQJg45Y0y2H+FS+/E1mhxrnuRzaFR5VckDA8yD1LjGrkDwAW+E66FCoK7JqPbfyONpsGTZBMdfROVDDma0YE2Bw==
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

2026-09-17T11:58:06.367676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019897
observed a4262ea547433b370a70b077f45328cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:06.349235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019897/manifest.json
observed 315004548273492acf207710f48cdb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:06.328808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019897/publication.md
observed 9744561e531e775dbbd45acac272d9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:06.309397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019897/publication.txt
observed 9d1e73709ddc09a1eff0eacdd76a8182...
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.