OpenTechnical

OT-2026-000063285

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000063285) never changes.

Identity and time

Publication numberOT-2026-000063285 · never reused
Internal UUID01a0ae8c-94ab-728b-9785-481a11f12773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063285
StatusPUBLIC

Content hashes

Canonical text68e4918e05710b7b64634536d3654d1265b10f57f18097a458c3cb56997e6a95
Markdown2de7e71ef68b9d6f80cb25f58e0e2c915bf9d79d294dc89cf66ae527961a9e33
PDF
Publication page31846b047bd6f854bb805f87dc3f5bfe8bfde2d6bc83769b049c8aa80cd2381e
Manifestdbc43aea43cee9cdf378310d9c950ecb5b7f9dc24b656db7921f77f9c014482a

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
Signature+In6rfU6/GrzZzZcmnBwzGf0/UURKEFxWDqz6wBnfY+RYdo4LkVNgGbOJ1J7U+L2V6oEhh3+xKT27rjzKNJ3BA==
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

2026-09-17T10:39:10.687167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063285
observed 31846b047bd6f854bb805f87dc3f5bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.669544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063285/manifest.json
observed dbc43aea43cee9cdf378310d9c950ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.654161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063285/publication.md
observed 2de7e71ef68b9d6f80cb25f58e0e2c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.638004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063285/publication.txt
observed 68e4918e05710b7b64634536d3654d12...
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.