OpenTechnical

OT-2026-000046491

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000046491) never changes.

Identity and time

Publication numberOT-2026-000046491 · never reused
Internal UUID01a0ae7e-57dd-709d-b0bf-04958c36ada3 · 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-2026-000046491
StatusPUBLIC

Content hashes

Canonical text7dc2aac5aa263e4503daca132bf05c11d26e4ea80a0e15e1de5ec5eda598faa8
Markdown10082cffd100d57eecabdc81f9d93dbc01913f00f6968375da7c70eee2ff0567
PDF
Publication page1b6205e9bca7f9b0f4cabb568136fd0f273123092a5f4e3cc12d8e7149739cc8
Manifest230cba50a561e8cc1c97273041f3cc005135b5a627bfad833f4308255b20e24c

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
Signature5aa8st6vCUObD2ER8ZI5t25p1hQAmAk68OnzD9CfnqEM4ToipAGsoJzaZThv0JjVvvvOa03kUrFVyw6Dxj+sBw==
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

2026-09-17T11:08:31.725181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046491
observed 1b6205e9bca7f9b0f4cabb568136fd0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.705842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046491/manifest.json
observed 230cba50a561e8cc1c97273041f3cc00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.687373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046491/publication.md
observed 10082cffd100d57eecabdc81f9d93dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.668383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046491/publication.txt
observed 7dc2aac5aa263e4503daca132bf05c11...
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.