OpenTechnical

OT-2026-000062405

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000062405) never changes.

Identity and time

Publication numberOT-2026-000062405 · never reused
Internal UUID01a0ae8c-0abf-776d-b86d-af245b745ca4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062405
StatusPUBLIC

Content hashes

Canonical textd3b4509041b73cfd71ede68d0a70fea349a262c62a8731fe4b6d54c1e84ec126
Markdown50312066ff28c41c80f7aff7892282b018de1dcefd42b3f49f55aa683ff492af
PDF
Publication paged44ac8b895ea47d98e510456badde49e55911a16a934fe844a9b7e7367be6ccf
Manifest248902fd578036f3c1fe06a7c46ee73ed9d2fdae3f9041fb840549e378f4fbd1

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
SignatureHTCWYjGp3GQF8nJTud4BzCySG8oo6k1CnnzbVWWEi/ziJLavYHLw6LLs7zqaaO2nlMI5Xjpa3Ba3GGZn7IM5Bg==
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

2026-09-17T10:39:44.021338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062405
observed d44ac8b895ea47d98e510456badde49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.002771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062405/manifest.json
observed 248902fd578036f3c1fe06a7c46ee73e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.985320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062405/publication.md
observed 50312066ff28c41c80f7aff7892282b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.967048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062405/publication.txt
observed d3b4509041b73cfd71ede68d0a70fea3...
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.