OpenTechnical

OT-2026-000030415

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000030415) never changes.

Identity and time

Publication numberOT-2026-000030415 · never reused
Internal UUID01a0ae73-e503-749b-b958-a0107d9b408e · 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-2026-000030415
StatusPUBLIC

Content hashes

Canonical text22ddf37de25dc198474c4c779bf371e6e1fcc0f603815430ffbf25a4a6cbaa53
Markdownbc2a0d90ff0f60d7424b21938f3b83bfaf6df2872e1b650dd2d02bbb5569f564
PDF
Publication page27de814b8d936706bafa15ead9e461b68877b75c1415061c317d5db456e297bf
Manifestab2c7fa4c9f12c99aa98860f74c5d59e91625c2c4df046c128eb6fc3f1d5ef3c

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
SignaturexWV8C+bF5H1YYVoAIRTmI4i6ycCyN/Ng2a5YFZL3SoNqK0ARPNwlwRvqShQFwsTZqMXZLTqeRVIW4uD744aWBw==
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

2026-09-17T11:38:08.930805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030415
observed 27de814b8d936706bafa15ead9e461b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.913727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030415/manifest.json
observed ab2c7fa4c9f12c99aa98860f74c5d59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.897310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030415/publication.md
observed bc2a0d90ff0f60d7424b21938f3b83bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.876864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030415/publication.txt
observed 22ddf37de25dc198474c4c779bf371e6...
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.