OpenTechnical

OT-2026-000007446

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, 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-2026-000007446) never changes.

Identity and time

Publication numberOT-2026-000007446 · never reused
Internal UUID01a0a97f-173a-7aac-8ca7-2d0cc0e5e1c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:14:33.661043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007446
StatusPUBLIC

Content hashes

Canonical text883fea54227a51ebb1d5115f9a0f2fb6251e4f0c41fd78eff087e2751d7975cd
Markdowneb1345bb2b42b1a1b06e8b363e4a10c537ba84d5f75a622645641bc5d1fe6c43
PDF
Publication pagedefc49e78f2667c2473dfda46a7ee60236886a5a0c428d01de098cf4ae96e425
Manifest877f92ed3e126fd480f33ba54251ab46df770d9170a8e3cafddde7629449577e

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
SignatureouYSnjTfjISa9bZhYzNkMvTLD3P25Y/WgtjRgOMoKoDoazunibqKyfUY952zp2LugtO2xdcwq0JRCsCkl8v7CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:04.932430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007446
observed defc49e78f2667c2473dfda46a7ee602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.919155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007446/manifest.json
observed 877f92ed3e126fd480f33ba54251ab46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.907221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007446/publication.md
observed eb1345bb2b42b1a1b06e8b363e4a10c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:04.894875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007446/publication.txt
observed 883fea54227a51ebb1d5115f9a0f2fb6...
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.