OpenTechnical

OT-2026-000078544

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000078544) never changes.

Identity and time

Publication numberOT-2026-000078544 · never reused
Internal UUID01a0ae95-7c29-7d00-a537-902286ee85ae · 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-2026-000078544
StatusPUBLIC

Content hashes

Canonical text67d0487f36b52c8e7475e15d0f5d9033e5dae165cc3573e122397ce874c956de
Markdown85e96c2e6c69b78c211cb943b2c0a845a8e29134f3d01609a0f583603c4a657e
PDF
Publication page119cae8f158682dae62c9c9a713caf300740758493b55379d35e5120a64ba1be
Manifestd56caaa95ffa514e625c023d67583636066b84d28d6c4fbb12b021f452e8e2a5

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
SignatureFNs+PARvQUsZ7qU5cRUgFq55d1VEDZelfnt0u5+Pk0yh6HORXPmRxbwvoEj5GHXys6a1wa9KCHZxy8FRRHm4BA==
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

2026-09-17T10:06:03.884564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078544
observed 119cae8f158682dae62c9c9a713caf30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.864118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078544/manifest.json
observed d56caaa95ffa514e625c023d67583636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.846490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078544/publication.md
observed 85e96c2e6c69b78c211cb943b2c0a845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.827493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078544/publication.txt
observed 67d0487f36b52c8e7475e15d0f5d9033...
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.