OpenTechnical

OT-2026-000051557

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, vented before set-down

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-2026-000051557) never changes.

Identity and time

Publication numberOT-2026-000051557 · never reused
Internal UUID01a0ae83-7c81-780b-a391-9846c1efc14f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051557
StatusPUBLIC

Content hashes

Canonical text314d2483c7c0ba0bed9370f7386babc10183a9de8ef350252f766957db7027d8
Markdowna7e34d5d37b2614fe4b398170bd73727d2915a957f77ff5fe8aed22469aa4e17
PDF
Publication pageb1e402011a1cf6d8864acb034f1933883400ba8495b533f361e2a6ef4c696d0c
Manifest7201983babe6bb132142fd595b39de031b7de476ebcd31ee458b18eb23191c15

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
SignatureWN8AJLvYBbAXnDDDw6AxkfPx5Dhn9wygHB8aJHp2iHtqualnw6i2tPYGAugfCeNZ7cMK5I04Z9LYxlM7Dbp1DQ==
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

2026-09-17T10:58:23.547862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051557
observed b1e402011a1cf6d8864acb034f193388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.528837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051557/manifest.json
observed 7201983babe6bb132142fd595b39de03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.507134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051557/publication.md
observed a7e34d5d37b2614fe4b398170bd73727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.487207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051557/publication.txt
observed 314d2483c7c0ba0bed9370f7386babc1...
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.