OpenTechnical

OT-2026-000092446

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000092446) never changes.

Identity and time

Publication numberOT-2026-000092446 · never reused
Internal UUID01a0ae9d-b5fc-759a-a629-8da29f3911f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092446
StatusPUBLIC

Content hashes

Canonical textf2593da1f197b9b1b2a08808c9bf272eb56910202e32016b0241e5e2c9724f25
Markdown5d657f794ba2c8911cb7cc847f556d7a378a1733b2bed09865b78783ec600572
PDF
Publication page25c92eb62a454f0d7efaa35da3bd4e0d48dbde8813653671fea5c157f4c4a695
Manifest6317dbf8b410ee77115d633b727b2ac803369f7e7a6c4849dda86986adf9f673

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
SignatureiHvIXKyzFbdYeoDeEk0oeQhM82sk1uQtrpOSLWJpARjq6kIG/iE7KVdDfGOkL4viHWVoqXkBu1BpDUx9/RRlDQ==
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

2026-09-17T09:41:00.294535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092446
observed 25c92eb62a454f0d7efaa35da3bd4e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:00.276282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092446/manifest.json
observed 6317dbf8b410ee77115d633b727b2ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:00.259753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092446/publication.md
observed 5d657f794ba2c8911cb7cc847f556d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:00.243433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092446/publication.txt
observed f2593da1f197b9b1b2a08808c9bf272e...
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.