OpenTechnical

OT-2026-000046404

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000046404) never changes.

Identity and time

Publication numberOT-2026-000046404 · never reused
Internal UUID01a0ae7e-57dc-7458-bbb8-cef67ad30349 · 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-2026-000046404
StatusPUBLIC

Content hashes

Canonical text03a8a34167e14e28f0289c88b153652b24559e6b3ec797d55b3652dce74210a0
Markdownd045b5db62fff0351669e34291991823dff257f041979b328fd2bf8e979225ab
PDF
Publication page213459dd94b8338385fb224c00f7f2ed223e6c936a7ce3322cb8e6a89ac5a464
Manifest1930245a966faf0e2db8563638cfa73b2860130be392836e0a10335d9af35529

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
SignatureWkQwGRztN+MJl+8LnrboXk0W6nwR3Ippn0G0Ntu3W0/50F2Q1wDEei5MfuinVUbPYGsV5Jbzpejt6xMu1MmyCA==
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

2026-09-17T11:08:24.728484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046404
observed 213459dd94b8338385fb224c00f7f2ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.711860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046404/manifest.json
observed 1930245a966faf0e2db8563638cfa73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.695185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046404/publication.md
observed d045b5db62fff0351669e34291991823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.678019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046404/publication.txt
observed 03a8a34167e14e28f0289c88b153652b...
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.