OpenTechnical

OT-2026-000078904

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000078904) never changes.

Identity and time

Publication numberOT-2026-000078904 · never reused
Internal UUID01a0ae95-ccbd-7d1f-940c-fadeb527e10a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078904
StatusPUBLIC

Content hashes

Canonical text3962f6ccd8542e43a2efea526c8eecd4b722d4ad57dd430d71227e559a0805ae
Markdown2df8affa4eb6d2f8146cf4248933bde9a187f602dafa2c5dee3d3c967b3a3b5a
PDF
Publication page3f60f9f24f36d73c5e27998e363161a21e89d47e21fa9a6fe233521f225e3ec2
Manifest65d04ba4f3e37823d9da34f2b719f16938a5d6edede05d5a4cdb2a5c5d192130

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
SignaturelQLyp0YfAeGK4MenQ+3MKW5fhlflyADqRC0eci66SUiABBPzYnpQ7kqvNSCRD41PJ8dBndMKQ0N/BZ8CePoyDg==
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

2026-09-17T10:05:43.010298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078904
observed 3f60f9f24f36d73c5e27998e363161a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.991746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078904/manifest.json
observed 65d04ba4f3e37823d9da34f2b719f169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.972567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078904/publication.md
observed 2df8affa4eb6d2f8146cf4248933bde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.954494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078904/publication.txt
observed 3962f6ccd8542e43a2efea526c8eecd4...
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.