OpenTechnical

OT-2026-000077307

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000077307) never changes.

Identity and time

Publication numberOT-2026-000077307 · never reused
Internal UUID01a0ae94-f508-781d-bcae-c6dfc4e93e84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077307
StatusPUBLIC

Content hashes

Canonical textf5f5d499ef24ed7ca77a2f9c2392d9fed72aa147d149f99c3a9c6ec16f7ea3e1
Markdown9490e423231c538223ab2341428edad6fd2604a134cc3672c1f0bc775a7168b4
PDF
Publication pagec6a72f870b61a4620a70a96c9d342e78dc39533f6ab510c015b7389431369a54
Manifest3e18be6826dfad11ca71700ba6b71fbc2582b6f6da16047dc6fb9a03d33afe02

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
Signatureooo4PSulPwRBhWEESOJiGS4IW2UUIhPOBGZp3tJeAWiXW8QLAstBetVMwM2+fAFRn6tUlRooTiGo+RjYLfTfAg==
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

2026-09-17T10:08:56.636634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077307
observed c6a72f870b61a4620a70a96c9d342e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.616634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077307/manifest.json
observed 3e18be6826dfad11ca71700ba6b71fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.596550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077307/publication.md
observed 9490e423231c538223ab2341428edad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.578134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077307/publication.txt
observed f5f5d499ef24ed7ca77a2f9c2392d9fe...
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.