OpenTechnical

OT-2026-000042691

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold 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-2026-000042691) never changes.

Identity and time

Publication numberOT-2026-000042691 · never reused
Internal UUID01a0ae7a-c0cf-7480-ada8-2c184ee1c4d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042691
StatusPUBLIC

Content hashes

Canonical texte1d6234b23087d64aa171bd2b1a969a4b8bf41245feff17d3cfb782aeb3b53f2
Markdown362489242b7c87588ca4c5167afec4baf8205acb433f23ac62f6d2c873a82ca6
PDF
Publication page03fdd350f452fc9652c78445b4cc774b8b0467832af1078bd1eedb7f2f32ba1c
Manifestfb5ceb08c37935eb22f327435516a506c1a111d1512121a189e4d27f7010a908

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
SignaturevbqhQeCzhwipUUwkpwZNnI8l4FY9r2iJaQei+uNF2eKo/+aH+yGr8t4bXfXHw9BnbFtbW7dZXLiLbbvlUv5sDQ==
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

2026-09-17T11:15:02.906499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042691
observed 03fdd350f452fc9652c78445b4cc774b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.887026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042691/manifest.json
observed fb5ceb08c37935eb22f327435516a506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.867082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042691/publication.md
observed 362489242b7c87588ca4c5167afec4ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.845750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042691/publication.txt
observed e1d6234b23087d64aa171bd2b1a969a4...
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.