OpenTechnical

OT-2026-000066403

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000066403) never changes.

Identity and time

Publication numberOT-2026-000066403 · never reused
Internal UUID01a0ae8e-ce40-7ec6-8a8b-d7befd50e00c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066403
StatusPUBLIC

Content hashes

Canonical textaa94e89eebc913dee26dc01d2f2e7e46561c6dc4cea22e787afd3dc0f14c1884
Markdown1263b8a03ba52aa8b46d9adb6d5c7b3e8d8ed277bcc230a77206a5cc5a60be34
PDF
Publication pagedcfcef3bad048c167d03d90ca763cf17aaee79c1213845322506598fb90266fb
Manifest1edd232953185e12a89769ca974a82cb58a7d3179a5d5e65428370aebe724e20

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
Signaturejq0RyUviOl6JLVEpJgbZw8zx5tGPXfUJtyzTlLYzWhKIa6L2lVcG6dta9YCeFbBhRkbXr2X418bfI75doQWPCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:38.387723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066403
observed dcfcef3bad048c167d03d90ca763cf17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.369543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066403/manifest.json
observed 1edd232953185e12a89769ca974a82cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.316509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066403/publication.md
observed 1263b8a03ba52aa8b46d9adb6d5c7b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.263305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066403/publication.txt
observed aa94e89eebc913dee26dc01d2f2e7e46...
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.