OpenTechnical

OT-2026-000047425

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047425) never changes.

Identity and time

Publication numberOT-2026-000047425 · never reused
Internal UUID01a0ae7f-3e58-7aec-acfb-a49a06721ce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047425
StatusPUBLIC

Content hashes

Canonical text4d2beb7eb5aa50454c1c331696d4c787e628f46b06bd69ef1dc07cee89f74a40
Markdown9c03b2181fe12228ad49b6e11e2faeb861f76683bdb41bddccb23f0124a1efb8
PDF
Publication pagec7e8542c820d17fdbd90259e603df6206781dd9052b8aab8e0a048bbfe7f1418
Manifest929ec3be2f10c68b302e812d85316150de6893becedb50d6f873853b32839b2d

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
SignatureoCrAtOl4CYcx9Igw5gxfEPVqoub3lMB8aHkXqO5I3nZRBZS4WeysVbuziTwka6aAlkRmB/vzGotqA0U04Zt8CQ==
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

2026-09-17T11:06:26.815202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047425
observed c7e8542c820d17fdbd90259e603df620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.796097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047425/manifest.json
observed 929ec3be2f10c68b302e812d85316150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.777007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047425/publication.md
observed 9c03b2181fe12228ad49b6e11e2faeb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.756991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047425/publication.txt
observed 4d2beb7eb5aa50454c1c331696d4c787...
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.