OpenTechnical

OT-2026-000069135

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000069135) never changes.

Identity and time

Publication numberOT-2026-000069135 · never reused
Internal UUID01a0ae90-6dcf-78a9-bfe2-986875729cf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069135
StatusPUBLIC

Content hashes

Canonical textb5eb09c88f64d77f573f3fb57fa2c85ed70d6d5eab968b5fa07a6fdb3d1a8bb6
Markdownf68b281ba09dbedb3195770cc3042b714da1ddd20aa88acc0d1fce7d36f4ca61
PDF
Publication page2960c0cdd47a7f7229f7b5ea4802a8c54e9c26bcbe30ee5c9ebcbee95eca5444
Manifest64cb1e1d0a2a2024008daf423270235e8d384c01681371d8c90a50b7d3d0fb41

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
Signatured2X6Bzhlf9mnaG2anxmDY2oRuHnVWDQTB+kD9PcFiJO8m0N5wqJVMdTSAYr/+9oDzqn8YO1aSQPuaFzwSIjAAQ==
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

2026-09-17T10:29:01.004685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069135
observed 2960c0cdd47a7f7229f7b5ea4802a8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.987612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069135/manifest.json
observed 64cb1e1d0a2a2024008daf423270235e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.969262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069135/publication.md
observed f68b281ba09dbedb3195770cc3042b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.949321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069135/publication.txt
observed b5eb09c88f64d77f573f3fb57fa2c85e...
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.