OpenTechnical

OT-2026-000013533

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000013533) never changes.

Identity and time

Publication numberOT-2026-000013533 · never reused
Internal UUID01a0ae6d-6fcb-75b3-93a8-6a7411c58358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013533
StatusPUBLIC

Content hashes

Canonical textaa80713b900a61cf0576df8ac5dfd6ed5dc9c889d6cd95ce6108eb7540878da8
Markdown0788753ee56277946eb71ebd0d7a5bef6e13404a2d8375f3e1d502a5550a303f
PDF
Publication page6b16f670d78ec3551a28b815c5901b63e1318da1045a00ac28bd6d85bffdcb10
Manifestad53d126e6b729c8492d4e8f1681e912d6828093438f78fc0cb928032da1ae60

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
SignaturesD4uSUAG7jc9m851/xp/5cDoUzuRmXN0zXyKWeQMc3pthXN+F3np7EF7jB6qm6ag+RTL+I7mPsGsDU/SoZpvCg==
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

2026-09-17T12:10:02.939947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013533
observed 6b16f670d78ec3551a28b815c5901b63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.920786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013533/manifest.json
observed ad53d126e6b729c8492d4e8f1681e912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.900645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013533/publication.md
observed 0788753ee56277946eb71ebd0d7a5bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:02.878768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013533/publication.txt
observed aa80713b900a61cf0576df8ac5dfd6ed...
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.