OpenTechnical

OT-2026-000093791

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000093791) never changes.

Identity and time

Publication numberOT-2026-000093791 · never reused
Internal UUID01a0ae9e-508c-74ca-8778-e58e3883d34f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093791
StatusPUBLIC

Content hashes

Canonical textd530ceef8d89d3b1678e125bd09ae43824a32d74f3226ef1ad5dd6d0d9ada35f
Markdowna525dd65345d6ff36e42c8d78b24b76c4a29fc7d105d7a94cdbccc3406e2f039
PDF
Publication pagefc238bb631b7979a8048947f5398b9a5325389f7c3724b745cb14322765cfc09
Manifestadfbf5324b9c08e0e08214109927d0eae9b74d855fedb8e0bf799f9069fd2e6f

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
SignatureTt90r5wCEvhqBzee3DJuzfIEmduijIAN6fAbkF4iblMfWySPUBrp1v4zOoPFcIlvUgL5fghEMPEBiaMkR2qnAg==
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

2026-09-17T09:39:53.623275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093791
observed fc238bb631b7979a8048947f5398b9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:53.606423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093791/manifest.json
observed adfbf5324b9c08e0e08214109927d0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:53.586961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093791/publication.md
observed a525dd65345d6ff36e42c8d78b24b76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:53.568824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093791/publication.txt
observed d530ceef8d89d3b1678e125bd09ae438...
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.