OpenTechnical

OT-2026-000039432

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000039432) never changes.

Identity and time

Publication numberOT-2026-000039432 · never reused
Internal UUID01a0ae78-9675-783b-b4ff-61e1322f210e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039432
StatusPUBLIC

Content hashes

Canonical texta27d00408d1ef687d4de4ae2aabd3040538e8b24074f6cbb4e5d306db6c08750
Markdown90d8c6974abef3dd119c2a1fdca21d58ac0814df60121114774994912056eb99
PDF
Publication pageec222ecf6acb72e731fe8b180c5944654a956b3cfd54b9c0ce1ed6d1358773d6
Manifestceee6e26ddd3277b96798ec3a07ab6ec4e16b3fa7feeae9fc5f468e2fe9b2d65

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
SignatureALH3blsicmuy3ay8DeYybY333+rvqOaBxSe1/lpImiKvp/RV4YEYi5+BDJvAuUZuL9zxsbMCRIZ7SYrU3lkEAg==
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

2026-09-17T11:21:02.959760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039432
observed ec222ecf6acb72e731fe8b180c594465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.941686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039432/manifest.json
observed ceee6e26ddd3277b96798ec3a07ab6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.924116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039432/publication.md
observed 90d8c6974abef3dd119c2a1fdca21d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.907173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039432/publication.txt
observed a27d00408d1ef687d4de4ae2aabd3040...
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.