OpenTechnical

OT-2026-000033583

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000033583) never changes.

Identity and time

Publication numberOT-2026-000033583 · never reused
Internal UUID01a0ae75-a38f-7ea2-ab3c-f377086c5038 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033583
StatusPUBLIC

Content hashes

Canonical textcfdca37d5b0786086975e5f3cd79aae49ba1acc5a16d2140e5ba9e9ede59ab06
Markdown708e1c4911ebeea8b75cdeeaff33b0e375348e9a7a0c85852ed54f9b8b4742ac
PDF
Publication pagecc859868b3cc2a1f1a2613c805591dd33480a0c45c429b33ff5d4b8d94f9d1a4
Manifest6e58c834496f41a8cffeb85fd74b778580c2d0521ff9b362265e509879a821c1

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
SignatureD/DltxYNMp2ok19lTM3+CQcACzZO7GSNgv5YxyXEjn1RSISmYglSIRn989Bf8ScXgpf2EhSJhIeSzFjHZosvBg==
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

2026-09-17T11:31:27.476704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033583
observed cc859868b3cc2a1f1a2613c805591dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:27.456378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033583/manifest.json
observed 6e58c834496f41a8cffeb85fd74b7785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:27.437446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033583/publication.md
observed 708e1c4911ebeea8b75cdeeaff33b0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:27.420531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033583/publication.txt
observed cfdca37d5b0786086975e5f3cd79aae4...
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.