OpenTechnical

OT-2026-000025863

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000025863) never changes.

Identity and time

Publication numberOT-2026-000025863 · never reused
Internal UUID01a0ae71-a83e-7df4-be44-87fedafa66ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025863
StatusPUBLIC

Content hashes

Canonical text058b6b6b903c6c359e627b0ee680ac282e96d7fcf0e3dc5d5f7397e1d58435dc
Markdown39c43274734f22fd38afbd74f4b7b208da05688315ba36c38948d5336925416e
PDF
Publication page248c42fa84a35082d2a1896189f7a2944d3aeaa3d398ee29cf1c8fcbd3dcde1d
Manifest33e85c90c6e454902940f8d9d01e0d0721b487be50e38cf8abe63dec0534dfc0

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
SignatureV+W+h6GaZaIUTfY64neJC+tqOPaao3F1aoO7i20JzpWKm08upsTy/JL13rkO/W5APUJ/9qEOkd21TmJRw4tSAg==
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

2026-09-17T11:46:05.732463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025863
observed 248c42fa84a35082d2a1896189f7a294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.716113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025863/manifest.json
observed 33e85c90c6e454902940f8d9d01e0d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.699743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025863/publication.md
observed 39c43274734f22fd38afbd74f4b7b208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.683889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025863/publication.txt
observed 058b6b6b903c6c359e627b0ee680ac28...
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.