OpenTechnical

OT-2026-000068777

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000068777) never changes.

Identity and time

Publication numberOT-2026-000068777 · never reused
Internal UUID01a0ae90-6dcb-7c1f-92d6-ef8b604d6c17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068777
StatusPUBLIC

Content hashes

Canonical text51981d5c558368d0b288efc67dfee4504827e66ca1603a02a3903e61de162a80
Markdown1d956fe9ba0c86b2609eb45ffbcc2ec9b22a7b5e3363105a8e30dc66cf2cac5d
PDF
Publication page170f887dc24282cf780977b7de82523ea02d1ae8490a2b065e89132bf2fb0fbc
Manifestb2e2d02cd5b9c4400d3561fe6ac387547f7e7378535540c85bf561058638b71d

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
SignatureFT0PeXYkOdxtX+A51zMhwRF95DLxlfFGmf29lMi2SHWvUrjJcIlnn0tDmIRZPThPnUO6IuQkVPQ8xHFnPvDkCw==
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

2026-09-17T10:28:34.183597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068777
observed 170f887dc24282cf780977b7de82523e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.165080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068777/manifest.json
observed b2e2d02cd5b9c4400d3561fe6ac38754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.148363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068777/publication.md
observed 1d956fe9ba0c86b2609eb45ffbcc2ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.130983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068777/publication.txt
observed 51981d5c558368d0b288efc67dfee450...
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.