OpenTechnical

OT-2026-000066074

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000066074) never changes.

Identity and time

Publication numberOT-2026-000066074 · never reused
Internal UUID01a0ae8e-8dc2-78a1-afd9-80445064c8a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066074
StatusPUBLIC

Content hashes

Canonical text62bdb9242ca7670e6b54899010393e18144d3ea083e4314f01518f0f248df18b
Markdown279e3caa9d30ebc273fdbf050f537b50e77b57939fc81b938b513463a3cc0946
PDF
Publication page7a8da9794cc7772b1ee285c495c7c2b28d4380fe759135093f127a5057cd4fff
Manifest414be86c20ea243b73adc73023792039830bf36b853a684864e5f94447476b15

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
SignaturekGpxPlt2uYuZIukwOIKlGU7SSCNUVvCVADt/G+5SPLL0DS+ed4UWvMBQkW1mXsniTh0wsNKlaHRxC1cdqskoCg==
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

2026-09-17T08:50:43.776721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066074
observed 7a8da9794cc7772b1ee285c495c7c2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.760280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066074/manifest.json
observed 414be86c20ea243b73adc73023792039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.740897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066074/publication.md
observed 279e3caa9d30ebc273fdbf050f537b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:43.606891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066074/publication.txt
observed 62bdb9242ca7670e6b54899010393e18...
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.