OpenTechnical

OT-2026-000046899

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000046899) never changes.

Identity and time

Publication numberOT-2026-000046899 · never reused
Internal UUID01a0ae7e-d0f5-76a2-aa3e-39510ff89dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046899
StatusPUBLIC

Content hashes

Canonical text20a98355d2765bf46e9cce70e4a41309b721bd9b756b9b9de6af54b566e92d68
Markdowne72b8310adf97b0b7760372eb6f74e278b79d93a1f8ac6ba25c4e4c061785b65
PDF
Publication page5bf6f1a79b913d50ea306dab8c097d405691b4d831565649154cea593fa246f2
Manifest32631ed426822bac3e7230212c7430794f982798977841d1cc7301752e570774

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
Signaturer9puZoUSOPQdgBlNVnsAL+WCmtWxEMxNryKN6UPlXyn2NRZfB5ba9yjiYJwNkzO/mszS6DmDmxEpR6WexiOBBg==
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

2026-09-17T11:07:00.896796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046899
observed 5bf6f1a79b913d50ea306dab8c097d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:00.878626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046899/manifest.json
observed 32631ed426822bac3e7230212c743079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:00.859416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046899/publication.md
observed e72b8310adf97b0b7760372eb6f74e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:00.841317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046899/publication.txt
observed 20a98355d2765bf46e9cce70e4a41309...
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.