OpenTechnical

OT-2026-000030390

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000030390) never changes.

Identity and time

Publication numberOT-2026-000030390 · never reused
Internal UUID01a0ae73-e503-79a2-bf0b-232addedb060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030390
StatusPUBLIC

Content hashes

Canonical text17fe10aa59b5044034234283d34a61a7b3565a76deedc4748b04524eccb3a310
Markdown70874ec1b993642335059b1ff72544a89df204cc17f113f91916f8674e7fb03b
PDF
Publication page429da53191e029d0a39aee3a8766802ac07189464cc520c7389fbf7cb9053951
Manifest64eb4db7d91b32227802a9115667227c8196267fd86b4f1049bce2a167a2f398

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
SignatureNG2zSKFq16ZRnyrGA4WTzZbgrWkZ8XYqTybfsm2XlpJCTYyIzRNd5twSEXl8qzK/eYP2SWJG0+4y49towvjwCA==
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

2026-09-17T11:38:07.032656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030390
observed 429da53191e029d0a39aee3a8766802a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.016530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030390/manifest.json
observed 64eb4db7d91b32227802a9115667227c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.995976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030390/publication.md
observed 70874ec1b993642335059b1ff72544a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.976649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030390/publication.txt
observed 17fe10aa59b5044034234283d34a61a7...
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.