OpenTechnical

OT-2026-000012399

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000012399) never changes.

Identity and time

Publication numberOT-2026-000012399 · never reused
Internal UUID01a0ae6d-39f6-7da1-ae2d-d973fc9c91fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012399
StatusPUBLIC

Content hashes

Canonical text8b8c27bdd1d0049eeef2bab9cc5f8670fa9ee8630a2fef6eebc05c7bd8d963e4
Markdown5cd0fa5750491994117f8c843dee0352f566036bcddb3a0cfd26d59bf0495ce9
PDF
Publication page4be10dd4c3ab8049a1dea2a458394202fdf4c2dec32a5a97e8d7b2edd1079e81
Manifest495035d969a9bca74d10031ab300098b019cb619bd295aab3300a8df76f550f1

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
SignatureoqaE+7zTcaDI21jaXkLesRhPvS8XzNDn7neoOGmFkmCHZW1wz7ZGNtAnJesiaksk8IPGozw/4p0kMTHvbvMdAg==
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

2026-09-17T12:11:53.488181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012399
observed 4be10dd4c3ab8049a1dea2a458394202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.471052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012399/manifest.json
observed 495035d969a9bca74d10031ab300098b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.454005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012399/publication.md
observed 5cd0fa5750491994117f8c843dee0352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.435996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012399/publication.txt
observed 8b8c27bdd1d0049eeef2bab9cc5f8670...
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.