OpenTechnical

OT-2026-000032273

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000032273) never changes.

Identity and time

Publication numberOT-2026-000032273 · never reused
Internal UUID01a0ae74-f7a8-7c9b-b7d6-c89ed67fa2c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032273
StatusPUBLIC

Content hashes

Canonical textcfb353d8f2e0f3f82618ff2d7de528d4710b9ab3c35bab633efc3c392f35f72e
Markdown7784462922bcef0a068043870bef1a9c9acc769eaa55129859151bbb9678f598
PDF
Publication page401b09622df4e2f9f9755774ee72b2f2543addd70f961303b364f93b6a9dcfff
Manifest48900cd089430e5dffb3d762174e87fb7d1e8bbddd748067bfcf97ecd97eb7a1

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
SignatureITu1YXNmTcszwoZF+qkoGlI5qUIUJ0tUkTV1sYpkyk0s1qWhHMdVL10nlAMXAO1OVs3nkingWwi4tVkFYEl1Dw==
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

2026-09-17T11:34:38.200948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032273
observed 401b09622df4e2f9f9755774ee72b2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.182354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032273/manifest.json
observed 48900cd089430e5dffb3d762174e87fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.164600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032273/publication.md
observed 7784462922bcef0a068043870bef1a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.146549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032273/publication.txt
observed cfb353d8f2e0f3f82618ff2d7de528d4...
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.