OpenTechnical

OT-2026-000025327

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed 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-2026-000025327) never changes.

Identity and time

Publication numberOT-2026-000025327 · never reused
Internal UUID01a0ae71-5fa7-79cb-a56e-5bd8cfaa2382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025327
StatusPUBLIC

Content hashes

Canonical text9864b7e5afab1c370277a8499185c5b740ec9e27403eb5b319c7dc81be16a8a9
Markdown02a95898ee4ae35bf30464a802f2ee66f6d094c522fbbe9e04cbf637cdbf6a8a
PDF
Publication page8f9ba0646c16f6dea970b09e858c364735e40ee2e26f0615bd899c1e08bf4015
Manifest7e2de7b799256546f4b609097a9a1be97c8ff0d502de7055e9f04bc80d8f7fdc

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
SignaturefMAvsYdCIvWlw2oAF+WxXMZy87Vb3U0CP5Jwx/t68Gh1cZw6dTkMb+DBahX8Q75VRQX+kcV6E8PvMURtW+t2DA==
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

2026-09-17T11:47:21.045176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025327
observed 8f9ba0646c16f6dea970b09e858c3647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.025082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025327/manifest.json
observed 7e2de7b799256546f4b609097a9a1be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:21.005994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025327/publication.md
observed 02a95898ee4ae35bf30464a802f2ee66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:20.985350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025327/publication.txt
observed 9864b7e5afab1c370277a8499185c5b7...
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.