OpenTechnical

OT-2026-000011664

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000011664) never changes.

Identity and time

Publication numberOT-2026-000011664 · never reused
Internal UUID01a0ae6d-1940-76c1-9753-00c555604dfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011664
StatusPUBLIC

Content hashes

Canonical text4b436c7e9f9691361135cbdebd73514ee492a0662e74e7fc445bc7076eeea0a6
Markdown8b27dbf3a768036903dc09af19ce2327359b82fb8a8cc43ff66dcf38aeab3666
PDF
Publication pagecf6d3e0e4215b0922e14409a4eaca6fca43c7493fe600dc7bbb454c18a7ea764
Manifest1fcd6190b5ca1ab88776bf04c9d3ca14324712666b59e1cb10a78bbae1fdf4e4

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
SignatureDMRNvZM3jxqd7W1N70mejYwqJofERdbq6+2VOyerlQNQySn4FYRMEP9AcswGDdiI0rpzWuSkCDxGNSU9SQ+/BQ==
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

2026-09-17T12:12:15.343496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011664
observed cf6d3e0e4215b0922e14409a4eaca6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.325542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011664/manifest.json
observed 1fcd6190b5ca1ab88776bf04c9d3ca14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.305532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011664/publication.md
observed 8b27dbf3a768036903dc09af19ce2327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.288106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011664/publication.txt
observed 4b436c7e9f9691361135cbdebd73514e...
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.