OpenTechnical

OT-2026-000077579

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000077579) never changes.

Identity and time

Publication numberOT-2026-000077579 · never reused
Internal UUID01a0ae95-2ece-7987-b006-d171b7f5286c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077579
StatusPUBLIC

Content hashes

Canonical textd301bf4f51bb5289d7ab35bd3e5a00a6b0d266ca5d6f552100134a3b7a9f0776
Markdown2c4a9bce4c314d3bc1bdae73bd8caa6cdc55fda4ec22395c8ec16fe8529ebcc6
PDF
Publication pagec836b4d8fd146f14d10f57a8a5b8fe64b4fe802b37311ea536b7d5fbe33e0254
Manifest5cbeb9fb0fc730248ff7394887d8eaceb54c9f60a892b0b32441cc899a7ec546

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
Signature7wMfOZgrThrJPVqd5SsED/PZqgOIMPaBEbbemRIXC5R34ePkiIuFh8DRbi8YdzoFPttV0C4JApab57PFTqVYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:03.568443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077579
observed c836b4d8fd146f14d10f57a8a5b8fe64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.550042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077579/manifest.json
observed 5cbeb9fb0fc730248ff7394887d8eace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.531105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077579/publication.md
observed 2c4a9bce4c314d3bc1bdae73bd8caa6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.513483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077579/publication.txt
observed d301bf4f51bb5289d7ab35bd3e5a00a6...
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.