OpenTechnical

OT-2026-000087058

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained 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-2026-000087058) never changes.

Identity and time

Publication numberOT-2026-000087058 · never reused
Internal UUID01a0ae9a-9f2d-7d68-8431-94fb5bfbc5ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087058
StatusPUBLIC

Content hashes

Canonical textd181acc7a15d06aa117a124af0155971464c8a3bc4ee35d29d16d9d7860d482a
Markdownece603664a466ddfeda276fc46056073d79fa913b51f6d88b1375e218c6f51bd
PDF
Publication page6f7fc498d0a3644c59fc7f65a065379660a379430be66e45c4b9e65ef6b34270
Manifest9b396f9f61cb10e98075151f26681d6d3c16e285c88eaae500342e0deb7aed0b

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
SignatureFQ9boKT4oEGgVnC/9yxWFWmpmBpCgI3qi5jl/6xnjFHcVqWiKvqyhuFLahFzEqOUNBnh0Ds/oZy9+FF93rkeDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:18.368058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087058
observed 6f7fc498d0a3644c59fc7f65a0653796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.350605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087058/manifest.json
observed 9b396f9f61cb10e98075151f26681d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.334579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087058/publication.md
observed ece603664a466ddfeda276fc46056073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.318634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087058/publication.txt
observed d181acc7a15d06aa117a124af0155971...
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.