OpenTechnical

OT-2026-000045269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold 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-2026-000045269) never changes.

Identity and time

Publication numberOT-2026-000045269 · never reused
Internal UUID01a0ae7c-f76a-7e58-9034-06dea4ab9b43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045269
StatusPUBLIC

Content hashes

Canonical text5f24db904affaac2ae365a33422f5ea7fee65604402ef61ea22999918cd2eec3
Markdown6b94c3bb2342d2ea20b77842a34dffff8e1036082680282f57b508c312d0f535
PDF
Publication page0ec35d087e64bf84654387a5efd1720ee7c69154cbbdd6ad1b419e97e5cc2305
Manifestf38218f1e307e978b5252adeeee172aabb772a5b39ea31edd9c8afa576902656

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
SignaturefXZF1P2xEirVgatAyPXJbmKSNuOJ4I5VdUwQ/LO2WAl01dO29nAPN0x1k97Q8WbX1IncauyZ/zeyx6lZSJ0LDA==
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

2026-09-17T11:10:28.749978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045269
observed 0ec35d087e64bf84654387a5efd1720e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.730878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045269/manifest.json
observed f38218f1e307e978b5252adeeee172aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.712866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045269/publication.md
observed 6b94c3bb2342d2ea20b77842a34dffff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.694539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045269/publication.txt
observed 5f24db904affaac2ae365a33422f5ea7...
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.