OpenTechnical

OT-2026-000017425

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017425) never changes.

Identity and time

Publication numberOT-2026-000017425 · never reused
Internal UUID01a0ae6e-76c9-73ed-9b92-7187cb53b583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017425
StatusPUBLIC

Content hashes

Canonical text2c80dbfc1ef87f43f06b30a77139e8025813b17a1de1764dbdbec53b756ae3a4
Markdown6d1149f469db7bd4fbc293deff18e1cb6531169ac4d8796b20d139ff1a8d93a5
PDF
Publication pagefe9679dd71f73bcacf5677f67c0e9d08277fd73f71b206cb6546829174a0f068
Manifest3c93249a2b681169f50cd398de4f66c54ff074c16c353ed87d97b189e7a89daf

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
SignaturedQ+s+YXBMIG3qLHBipMaaGr4CQdbV37worcY9giJ26jwcPzX0rffY42mqG9MMvGz5YNfbBq8SA3J26ZXqWb2AQ==
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

2026-09-17T12:02:33.350932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017425
observed fe9679dd71f73bcacf5677f67c0e9d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.332898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017425/manifest.json
observed 3c93249a2b681169f50cd398de4f66c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.315056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017425/publication.md
observed 6d1149f469db7bd4fbc293deff18e1cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.298998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017425/publication.txt
observed 2c80dbfc1ef87f43f06b30a77139e802...
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.