OpenTechnical

OT-2026-000048728

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000048728) never changes.

Identity and time

Publication numberOT-2026-000048728 · never reused
Internal UUID01a0ae80-c32c-7ba2-8522-6650113bca36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048728
StatusPUBLIC

Content hashes

Canonical text2a414da5e2bf7ff4cc05899f49b45a1c61dc24e19dccd3ecd33a963bad586948
Markdown60c5f94f36d0fbee5f32bb52e079e7658d1bd5302645032f816f372859651bb7
PDF
Publication page0abe148eaec621458fe85b9d2fa0ffc3f44ee0af1ed50d150533cede4e7b1d86
Manifest665d6435276bab864496b844e7ff2eefbcf729a5bb88c8ad470381384c216d8e

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
SignatureFd06nrDy8ykCsXbRoCMxhgR6bv7xRhQOoOK/hJBbsR7WGYggpzyNmudxHAQD3g16VIcyT5UK2GJWlh+klfGYDw==
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

2026-09-17T11:04:22.673616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048728
observed 0abe148eaec621458fe85b9d2fa0ffc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.654306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048728/manifest.json
observed 665d6435276bab864496b844e7ff2eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.633232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048728/publication.md
observed 60c5f94f36d0fbee5f32bb52e079e765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.613732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048728/publication.txt
observed 2a414da5e2bf7ff4cc05899f49b45a1c...
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.