OpenTechnical

OT-2026-000032303

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000032303) never changes.

Identity and time

Publication numberOT-2026-000032303 · never reused
Internal UUID01a0ae75-106d-7b87-8ad0-d72d94e54542 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032303
StatusPUBLIC

Content hashes

Canonical text7ac896b954c614531aa7266830bbc7830dcfb36e637ba198d6b31a6a4d9c0e26
Markdowne727e7f6903b8de3397b69262c121d637484320f6f0482e24fb38710ec84fa43
PDF
Publication pagee775f97821b0ff7beae03de2a416b3518ca6eb17a1bdca71c889076473b68d0c
Manifestb3db432b619e6eb4f8779cdeeef95816c0d37948f142a43d4ac50f6fa083e131

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
Signaturev5xkw43ulhk0UcJnNjJ3G2fxWgRC7LdGnOm9u3VLpz0Y+Ok/cbh/3BW1trLFVgkEGxPetbJlNtmM343aLQFZBA==
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

2026-09-17T11:33:08.018945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032303
observed e775f97821b0ff7beae03de2a416b351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.000315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032303/manifest.json
observed b3db432b619e6eb4f8779cdeeef95816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.979550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032303/publication.md
observed e727e7f6903b8de3397b69262c121d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.958325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032303/publication.txt
observed 7ac896b954c614531aa7266830bbc783...
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.