OpenTechnical

OT-2026-000015050

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000015050) never changes.

Identity and time

Publication numberOT-2026-000015050 · never reused
Internal UUID01a0ae6d-d096-7653-8625-bffcd99466f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015050
StatusPUBLIC

Content hashes

Canonical textd79fd2e55cb12f87e95760f5614e6e6ce3a92dd2e388cee392571ace040fbf6e
Markdown91093204cd5afd085889a088c0d9368545ec43e056e9484693f8bb86c331503f
PDF
Publication page7f2de15f8b343e53d020840ce21664793d157d0f89ece0b26d7f127ad78b70a3
Manifest288cdf364fedee58b26995b93e7c3f109f6ea85264da40d64b2c5f97ecc34f9d

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
Signaturefk04eGyk+/7EOwft9RDKAMmE6kxWmdnfmR2aqOx9+Hfqdp6M2dUN+wJRWq966XxG3Er5Ez1ggsQRKiq0fnDmAA==
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

2026-09-17T12:07:02.166877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015050
observed 7f2de15f8b343e53d020840ce2166479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.146061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015050/manifest.json
observed 288cdf364fedee58b26995b93e7c3f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.127006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015050/publication.md
observed 91093204cd5afd085889a088c0d93685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.107478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015050/publication.txt
observed d79fd2e55cb12f87e95760f5614e6e6c...
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.