OpenTechnical

OT-2026-000032182

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000032182) never changes.

Identity and time

Publication numberOT-2026-000032182 · never reused
Internal UUID01a0ae74-f7a6-7f1a-9609-a579166161aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032182
StatusPUBLIC

Content hashes

Canonical textad110515903bfef7cd8d9d06d99f9efda3f28ddb3569f94e366e608331d4fc97
Markdown20faa22278d3ae94380dbfbb1356c888a54601adacbb66028a8f43a3666757c3
PDF
Publication page2cb70543e2c427c5924ec8ba9d1dedb7d2ba878bfbf41855f5b2a75f61e7a9a6
Manifestaa7d24ac37796a8cc6df033e304d9fcf182937dcd024c6b1b24e63e088698c40

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
SignatureLtHXqCnXWeOHDvv0IQPFHPLV1hEIMaaHPWdgkXw4wdMgnCOEbK32ePYQdt5Z4LiUJelLooxms9EIHTbIQFOEBw==
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

2026-09-17T11:34:31.206602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032182
observed 2cb70543e2c427c5924ec8ba9d1dedb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.190355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032182/manifest.json
observed aa7d24ac37796a8cc6df033e304d9fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.171649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032182/publication.md
observed 20faa22278d3ae94380dbfbb1356c888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.156067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032182/publication.txt
observed ad110515903bfef7cd8d9d06d99f9efd...
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.