OpenTechnical

OT-2026-000078513

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-2026-000078513) never changes.

Identity and time

Publication numberOT-2026-000078513 · never reused
Internal UUID01a0ae95-7c29-7df4-9d3f-fc20124b63ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078513
StatusPUBLIC

Content hashes

Canonical text759b7abe45b2378f0751d52737a3b788a4c4cd834e947a052b829903b34946c7
Markdown064bd2793b96ae794e8ee6debf0b005789bc9755e2957fe0337ceae724381cd1
PDF
Publication page628b481caa5c3b49a8902a7bb64fde563bedd0a17cb7e1a2813e4069e92ceff6
Manifest36b39ba39900a2e23a59b6cce49bb425e12fd80145c146941d245643067535ab

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
Signature5sR/svr3mCHvpcABv1C8et9ohecJUpcbhqXTkZmjK6S+7byB30WGK1PJgJdwO4ms8L8I9KUXbkoDvHanExpWBg==
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

2026-09-17T10:06:31.767152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078513
observed 628b481caa5c3b49a8902a7bb64fde56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.748152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078513/manifest.json
observed 36b39ba39900a2e23a59b6cce49bb425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.727793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078513/publication.md
observed 064bd2793b96ae794e8ee6debf0b0057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.708862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078513/publication.txt
observed 759b7abe45b2378f0751d52737a3b788...
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.