OpenTechnical

OT-2026-000030870

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030870) never changes.

Identity and time

Publication numberOT-2026-000030870 · never reused
Internal UUID01a0ae74-3fb5-7e20-b5e3-06449dd54479 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030870
StatusPUBLIC

Content hashes

Canonical text5b7cb47d9afc04bfc625a113a0b981b9e79142513996d13b5110b99d1636b460
Markdowne720e34c894bed044d15f90eab604061d693c31f636cb7b5ffadd35f11d8fb9b
PDF
Publication page8dac0ba330ccbe53597a036807e5c728495e7aa937f27d8bf0cc0ea6c7d57c83
Manifestc04258dc206381f6d91de5065de655a67845cc290397da21b6f38b9424161651

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
Signatureta1Y/FeI0X1as1Ol78F0YvG2odWQ3oRKZwhP4hXUd5Su5XOucPDw4y8AlpPubRE8F83OMF76jsbT/O5xcArjDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:50.949858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030870
observed 8dac0ba330ccbe53597a036807e5c728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.931046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030870/manifest.json
observed c04258dc206381f6d91de5065de655a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.910683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030870/publication.md
observed e720e34c894bed044d15f90eab604061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.893371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030870/publication.txt
observed 5b7cb47d9afc04bfc625a113a0b981b9...
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.