OpenTechnical

OT-2026-000025481

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000025481) never changes.

Identity and time

Publication numberOT-2026-000025481 · never reused
Internal UUID01a0ae71-5fa8-7344-8bc3-a2f1680e1c54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025481
StatusPUBLIC

Content hashes

Canonical text159efb6f8931bbf75a3503a59619d197b504a17a957d1757cc573acddace7714
Markdown1204915927e31e46958540512d81b7a591bd3ccc5b7ae3071b69abb1239cf594
PDF
Publication page9d5eab83a0a4b84ef4b2005b19881b2cb4bef9b59fa8e7fc1805469c198dd0ef
Manifeste35e584bf539a18b3b323f25a73ca9895976c085ed54811087eaa5a668a2f9e1

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
SignatureJhLeEFLtreVf66b1VSBnMsIUhnjXXv/Y/z+CfOdAb3M74ZLz/a3dlpa5PNZqlOyUJk4fQfKIpH2vYSgSqOE5DA==
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

2026-09-17T11:47:34.346440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025481
observed 9d5eab83a0a4b84ef4b2005b19881b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.329156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025481/manifest.json
observed e35e584bf539a18b3b323f25a73ca989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.311731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025481/publication.md
observed 1204915927e31e46958540512d81b7a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.293218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025481/publication.txt
observed 159efb6f8931bbf75a3503a59619d197...
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.