OpenTechnical

OT-2026-000046531

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046531) never changes.

Identity and time

Publication numberOT-2026-000046531 · never reused
Internal UUID01a0ae7e-57dd-7c20-a350-21b2c66dd81d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046531
StatusPUBLIC

Content hashes

Canonical text793c4d2b830b865d109fca3ebd66dd00ae8229d0f687f65f4d45e12cdb272ba5
Markdowne31ac7732eb44ff8c83c2c3325da3923a2400b1034cafdc53dbc362e0c9108c0
PDF
Publication page880bc8a3c52cd6c6ee1cf880d8e78b53794026873e1fc39fe26daaf4176fed10
Manifestf50faf804526804f7a095339ae68f1634212e9a93caf1f2888a45537cfc03841

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
SignatureDPFPcZGVqEf1FcTpWLKjhuWcSKoj9C22CxKL6HqyAcgNGJUnYCDupUtTcFJC/L2NemxHMraB8BCziAUyavysDw==
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

2026-09-17T11:08:35.069182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046531
observed 880bc8a3c52cd6c6ee1cf880d8e78b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.034214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046531/manifest.json
observed f50faf804526804f7a095339ae68f163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.014972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046531/publication.md
observed e31ac7732eb44ff8c83c2c3325da3923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.978571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046531/publication.txt
observed 793c4d2b830b865d109fca3ebd66dd00...
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.