OpenTechnical

OT-2026-000075361

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000075361) never changes.

Identity and time

Publication numberOT-2026-000075361 · never reused
Internal UUID01a0ae93-f201-77ad-91c9-9f0a92e05ecd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075361
StatusPUBLIC

Content hashes

Canonical text6535b5afcfc3c65040515f918e7b7288dd9276915e8b392aa90c95dfe8ba540f
Markdown5183a8c964befa3994b91ce5704a927efa2dc9fec37ede9ef4dd783062130927
PDF
Publication pageab57b1dce40e087d2b5f57be4e3e2d10aca60c343ec9a71d81551f0bb80681f8
Manifest268e61b95a70a030adcf723a085bf88e4b27a9594fee7a93c625eef1bad98128

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
Signature4dIPCNU1UJDZUMY2HIKaMytfelhckI5su2tqlvmKaCfMTVlcftlawa5Z8GHUcdR9zD1ubajOthK77v7L+2bvBQ==
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

2026-09-17T10:17:20.733101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075361
observed ab57b1dce40e087d2b5f57be4e3e2d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.713724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075361/manifest.json
observed 268e61b95a70a030adcf723a085bf88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.696380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075361/publication.md
observed 5183a8c964befa3994b91ce5704a927e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.551580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075361/publication.txt
observed 6535b5afcfc3c65040515f918e7b7288...
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.