OpenTechnical

OT-2026-000074572

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000074572) never changes.

Identity and time

Publication numberOT-2026-000074572 · never reused
Internal UUID01a0ae93-717b-7649-a1fe-6a1a96597440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074572
StatusPUBLIC

Content hashes

Canonical text27f09c1797bef7e1f15fe5df8d469cfe7af32e8e8d0e54623b21ce48fc8b8414
Markdownc5c15a7319bcb483322af14e022107f1b87efa894a9546bcf5a605be70080b3d
PDF
Publication pagedc60459970d3215b897cb1d3d06e23918a8d0063be7bae1e68da633c0dfc77b1
Manifesta19def4640f9122328dfad79a769a5ce99411c350405e2f2fcf2f95d09700bf2

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
SignatureSKfXIf7LUNCqykcZAjxbTQyYjbJqYfCQOovikMfqtB40VwaGqcNpXPOYWSiFdPUfhRvmfJAsxBoO/EZAv0xrCA==
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

2026-09-17T10:19:35.378936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074572
observed dc60459970d3215b897cb1d3d06e2391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.359632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074572/manifest.json
observed a19def4640f9122328dfad79a769a5ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.342431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074572/publication.md
observed c5c15a7319bcb483322af14e022107f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.322041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074572/publication.txt
observed 27f09c1797bef7e1f15fe5df8d469cfe...
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.