OpenTechnical

OT-2026-000050114

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000050114) never changes.

Identity and time

Publication numberOT-2026-000050114 · never reused
Internal UUID01a0ae81-fd79-7af6-ad4a-bf49a6fdadfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050114
StatusPUBLIC

Content hashes

Canonical textf8001ecd759ddf440da378cf85c82ff6d0eaf4ac63a02cc487405bf551062ecd
Markdown38c2f5c7751b56d9e1af2177b61a609dea0d04f12adecfc1fd50bce9ee9e51f7
PDF
Publication page1f9bc0185acb9a2d44dc3d531a8708aa77fe04134f188528e99aeaa5f3b1ff4b
Manifest670cc25b4642b5b0537ffca59b7d391d08c2ba729c2cf2ef56a1a7d56469e7b7

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
SignatureTc+sn8ycb8OVJjKe23r1zms+q0QBtU6ymJSes5NpHVsMWXimQQGM752TexNA758+zcfP7Waxz+H/59ilNkosAw==
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

2026-09-17T11:02:07.060341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050114
observed 1f9bc0185acb9a2d44dc3d531a8708aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.042945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050114/manifest.json
observed 670cc25b4642b5b0537ffca59b7d391d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.024900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050114/publication.md
observed 38c2f5c7751b56d9e1af2177b61a609d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.005830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050114/publication.txt
observed f8001ecd759ddf440da378cf85c82ff6...
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.