OpenTechnical

OT-2026-000048968

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000048968) never changes.

Identity and time

Publication numberOT-2026-000048968 · never reused
Internal UUID01a0ae81-134c-7fc0-acd1-aa55cde9fe67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048968
StatusPUBLIC

Content hashes

Canonical text782855bb9dfe56101ccff6ee40371738e886854a2beb9d7cf3e7013082ea9514
Markdowne8705fbc2b7be8f9bd3364b79d0242fa42ad7644547df16eb2db6b94a70ce9e5
PDF
Publication pagead928fdd65f519ba6039ae8d113830255960e4295b6354fa31628cc01b4c9371
Manifestef1feb90da35aad1d0f2fd954b08b85a5013861b142f976277ec81e197afb8ad

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
SignaturemhUHZG2B0rs5CmYDkvKO/jNL+nZhN12imov/jNVouViM1Dbd+IZZk9ukn7eqqjuyFQSHQ1LeG/4jX0Ivf23xDw==
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

2026-09-17T11:03:10.048107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048968
observed ad928fdd65f519ba6039ae8d11383025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.031206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048968/manifest.json
observed ef1feb90da35aad1d0f2fd954b08b85a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.011245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048968/publication.md
observed e8705fbc2b7be8f9bd3364b79d0242fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.991463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048968/publication.txt
observed 782855bb9dfe56101ccff6ee40371738...
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.